Please enter your email address and we’ll send you a link to reset your password right away.

Your VIP area awaits in the APP

Log in to the app to manage your account, orders, and exclusive benefits.

Order tracking

Order tracking

Personalized notifications

Personalized notifications

Exclusive offers

Exclusive offers

Staying signed in lets you shop faster, check your orders, and access your favorites without signing in again.

Stay signed in
Log out
top

Sold and shipped by

sales

Free shipping

Return of order

Homepage

SEAC Action MC dive computer

Price without code 299

RRP:

You save:

Price without subscription

VAT & duties included

No extra charges at delivery.

What is my size?

What is my size?

My virtual fitting room

My virtual fitting room

Single purchase

Add to my pack 

You save:

Buy now in 1 click
Back to PC configurator

Buy this product and earn

Color:

Free shipping

dto_trans discount on shipping

Free assembly

Free removal of old appliance (only with Ader)

Your interest-free financing from with Klarna Paypal

Pay in 3, 4, 6 or up to 12 installments

My virtual fitting room

Other colors available

left
right

Perfect pairings

left
right

Reportar error

Trusted by over 25 million satisfied customers worldwide

Official brand warranty

Quick & easy 30-day return

Features of SEAC Action MC

Product description of SEAC Action MC dive computer

Description summary

The SEAC Action MC dive computer is your versatile underwater companion for recreational diving and freediving. Featuring dedicated Scuba, Gauge, and Freediving modes, it precisely manages every aspect of your dive. The Scuba mode utilizes the Bühlmann ZHL-16C algorithm with Nitrox support, while Gauge mode acts as a depth gauge and stopwatch, and Freediving mode monitors depth and dive times. Its high-contrast LCD with adjustable backlight ensures clear readability in any condition. Store up to 40 hours of Scuba dives or 18 hours of Freediving data, downloadable for analysis with free SEAC Dive Manager software. Waterproof to 100 meters and powered by a replaceable battery, this rugged computer is designed for reliability and ease of use. Personalize it with interchangeable straps

DIVE COMPUTER FOR DIVING AND FREEDIVING SEAC Action MC is the wrist dive computer designed to go with you during recreational dives and freediving sessions.

Thanks to its three dedicated modes, Scuba, Gauge and Freediving, it lets you manage every underwater activity with simplicity and precision.

Scuba mode offers complete dive management, Gauge works as a depth gauge and stopwatch, while Freediving monitors depth, dive times and recovery.

BÜHLMANN ZHL-16C ALGORITHM AND NITROX SUPPORT Scuba mode uses the proven Bühlmann ZHL-16C decompression algorithm with management of 1 or 2 gas mixes (Air, Nitrox and mixes with oxygen concentration up to 99%).

It includes an NDL Only Dive Planner, calculation of desaturation and No Fly times, plus dedicated alarms for MOD, ascent rate, decompression violation and maximum allowed altitude.

HIGH-READABILITY LCD DISPLAY The large high-contrast LCD display ensures clear, immediate reading of all dive data.

The adjustable backlight improves visibility even in low-light conditions, while the rugged Housing (structure) is designed to withstand impact, corrosion and temperature changes.

Waterproof to 100 meters and powered by a replaceable CR2450 battery with charge-status monitoring.

DIGITAL LOGBOOK AND DIVE MANAGER The internal memory records up to 40 hours of dives in Scuba mode (sampling every 5 seconds) and 18 hours of activity in Freediving mode (sampling every 2 seconds).

Dives can be downloaded via an optional USB cable and analyzed with the free SEAC Dive Manager software for PC and Mac, ideal for storing and reviewing your Dive Log.

INTERCHANGEABLE STRAPS AND SEAC QUALITY SEAC Action MC is available with interchangeable straps in different colors, to personalize your dive computer based on your style or the gear you use.

A computer designed to offer reliability, ease of use and high performance, developed from the experience of SEAC, a benchmark in diving since 1971.

One computer for all your dives.

SEAC Action MC is the wrist dive computer designed to go with you during recreational dives and freediving sessions with precision, simplicity and reliability.

Thanks to its three dedicated modes, Scuba, Gauge and Freediving, it offers all the functions you need to manage every dive and constantly monitor the main data.

Scuba mode uses the well-established Bühlmann ZHL-16C decompression algorithm, with management of 1 or 2 gas mixes (Air, Nitrox and mixes up to 99% oxygen).

Gauge mode works as a depth gauge and stopwatch for independent management of the dive profile, while Freediving mode records depth, dive times and recovery for freediving enthusiasts.

The large high-contrast LCD display with adjustable backlight ensures Clear and Visiable reading of the information even in low-visibility conditions.

The rugged Housing withstands impact, corrosion and temperature changes, while the waterproofing to 100 meters and the replaceable CR2450 battery ensure reliability dive after dive.

The internal memory records up to 40 hours of dives in Scuba mode and 18 hours in Freediving mode.

Thanks to the free SEAC Dive Manager software for PC and Mac, you can download, store and analyze your Dive Log via an optional USB cable.

Available with interchangeable straps in different colors, SEAC Action MC combines technology, convenience and personalization in a single dive computer designed to go with you on every underwater adventure.

Key features Scuba, Gauge and Freediving modes Bühlmann ZHL-16C algorithm Management of 1 or 2 gas mixes (Air and Nitrox up to 99% O₂) High-contrast LCD display with adjustable backlight Logbook:

40 hours Scuba / 18 hours Freediving NDL Only Dive Planner Compatible with SEAC Dive Manager for PC and Mac Data download via optional USB cable Replaceable CR2450 battery Waterproof to 100 meters Interchangeable straps available in different colors Choose SEAC Action MC and wear on your wrist a dive computer designed to offer precision, reliability and ease of use on every dive, from recreational diving to freediving.

Technical specifications of SEAC Action MC

Features of SEAC Action MC

Color Blue

Color

Blue

Features User-replaceable battery

Features

User-replaceable battery

Air management

Air management

Nitrox compatible

Nitrox compatible

Key differentiators

Features a user-replaceable CR2450 battery.

High-contrast LCD display with adjustable backlight for clear visibility.

Utilizes the Bühlmann ZHL-16C decompression algorithm.

Versatile three-mode operation: Scuba, Gauge, and Freediving.

Waterproof with a maximum depth rating of 100 meters.

Technology in SEAC Action MC dive computer

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about SEAC Action MC dive computer

Write a review about this product

Answer the question

Write your answer

The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

Is the battery in the Seac Action Mc Dive Computer replaceable by the user?

Answer of Generated by AI and verified

Yes, this dive computer is powered by a CR2450 battery that you can replace yourself, which adds convenience for maintaining your gear.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

What kind of alarms does the Seac Action Mc computer have?

Answer of Generated by AI and verified

The Seac Action Mc features several safety alarms, including alerts for Maximum Operating Depth (MOD), ascent rate, decompression violations, and the maximum allowed altitude.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

Is the Seac Action Mc Dive Computer a reliable choice for recreational divers?

Answer of Generated by AI and verified

Yes, the Seac Action Mc Dive Computer is designed for recreational diving and freediving, offering modes such as Scuba, Gauge, and Freediving to manage various underwater activities effectively.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

What type of display does the Seac Action Mc use?

Answer of Generated by AI and verified

The Seac Action Mc is equipped with an LCD display. The product description also mentions it has a high-contrast design with an adjustable backlight for clear readability.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

What decompression algorithm does the Seac Action Mc use?

Answer of Generated by AI and verified

The Seac Action Mc utilizes the Bühlmann ZHL-16C algorithm for managing decompression during scuba dives.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

What material is the housing of the Seac Action Mc made from?

Answer of Generated by AI and verified

The dive computer features a rugged housing designed to withstand impacts, corrosion, and changes in temperature.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

What dive modes are available on the Seac Action Mc?

Answer of Generated by AI and verified

The Seac Action Mc offers three distinct modes to suit different underwater activities: Scuba, Gauge, and Freediving.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

Can I use the Seac Action Mc for Nitrox diving?

Answer of Generated by AI and verified

Yes, the Scuba mode on the Seac Action Mc supports diving with Nitrox, allowing for the management of one or two gas mixes with an oxygen concentration of up to 99%.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

Is this dive computer suitable for freediving?

Answer of Generated by AI and verified

Yes, it includes a dedicated Freediving mode that monitors your depth and dive times, making it a versatile tool for both scuba and freediving.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

Can I download my dive data from the Seac Action Mc to a computer?

Answer of Generated by AI and verified

Yes, according to the product description, you can download your dive data for analysis using the free SEAC Dive Manager software.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

What is the difference in depth rating between the Seac Action Mc and the Mares Pure Passion Smart Apnea?

Answer of Generated by AI and verified

The Seac Action Mc is rated for a maximum depth of 100 meters. The Mares Pure Passion Smart Apnea dive computer offers a deeper rating, capable of reaching depths up to 150 meters.

* Generated by AI based on customer and product data

2026-11-03

Generated by AI and verified

SEAC Action MC dive computer

How does the Seac Action Mc Dive Computer compare to the Cressi Giotto 2.0 Dive Computer?

Answer of Generated by AI and verified

The Seac Action Mc Dive Computer features a maximum depth rating of 100 meters and utilizes the Bühlmann ZHL-16C algorithm, while specific specs for the Cressi Giotto 2.0 are not available.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Recreational Scuba Diving 90% Fit

This computer is a great all-rounder for regular recreational divers.

Scuba dive mode,Bühlmann ZHL-16C algorithm,Max depth rating of 100 meters,Safety alarms

Freediving and Apnea Training 90% Fit

With a specific Freediving mode, this computer offers enhanced functionality for breath-hold divers. It tracks crucial metrics for apnea sessions, making it a reliable upgrade for those serious about their freediving performance and safety.

Freediving mode,Wrist-mounted design,Depth and time tracking

Backup Dive Computer 80% Fit

The Gauge mode allows this computer to function as a straightforward, reliable backup device. It provides essential depth and time information without decompression calculations, offering a solid secondary data source for added safety.

Gauge mode,Rugged housing,Max depth rating of 100 meters

Dive Safety Monitoring 100% Fit

This computer enhances diver safety with multiple, clearly defined alarms. It provides critical alerts for ascent rate, decompression violations, and MOD, helping divers manage their profiles and avoid dangerous situations.

Ascent rate alarm,Decompression violation alarm,MOD alarm

Best for

A Reliable Upgrade for Regular Divers

This dive computer is a great all-rounder for those looking to step up their gear. It offers versatile dive modes including Scuba, Gauge, and Freediving, all managed by the reliable Bühlmann ZHL-16C algorithm. The rugged housing is designed for durability, while critical safety alarms for ascent rate and decompression provide peace of mind on every dive. With a max depth rating of 100 meters, it's a solid performance upgrade for your adventures.

Based on: dive_modes: Scuba, Gauge, Freediving, Algorithm: Bühlmann ZHL-16C, Max depth rating: 100 meters, Alarm function: MOD, ascent rate, decompression violation and maximum allowed altitude alarms, Material: rugged Housing (structure) designed to withstand impact, corrosion and temperature changes

Ideal for the Adventurous Hobbyist

For the diver who enjoys a mix of scuba and freediving, this computer provides a balanced set of features. The multiple dive modes offer the versatility needed for different types of dives, and the user-replaceable CR 2450 battery ensures you're always ready for your next trip. The clear LCD screen and essential alarms make it a dependable companion for exploring down to 100 meters.

Based on: dive_modes: Scuba, Gauge, Freediving, Max depth rating: 100 meters, Battery type: CR 2450, Lithium Coin, Display type: LCD, Alarm function: MOD, ascent rate, decompression violation and maximum allowed altitude alarms

Great All-Rounder for Weekend Diving

This wrist-mounted computer is perfect for weekend divers who value reliability and ease of use. It covers the essential needs with Scuba and Freediving modes, a clear LCD display, and a robust housing. Key safety features like ascent rate and decompression alarms are built-in, offering trustworthy performance for dives up to 100 meters.

Based on: type: wrist, Dive modes: Scuba, Gauge, Freediving, Max depth rating: 100 meters, Alarm function: MOD, ascent rate, decompression violation and maximum allowed altitude alarms, Material: rugged Housing (structure) designed to withstand impact, corrosion and temperature changes

Benefits

FunctionalAdapts to Your Underwater Adventure

Whether you're a recreational scuba diver, a freediver, or need a simple depth gauge, this computer has you covered. With dedicated Scuba, Gauge, and Freediving modes, it provides the specific functions you need for different underwater activities, making it a single, versatile device for all your dives.

FunctionalDive with Greater Peace of Mind

Stay informed of critical dive parameters with a comprehensive set of audible and visual alarms. The computer alerts you to potential dangers such as exceeding your maximum operating depth (MOD), ascending too quickly, or decompression violations, helping you manage risks and dive more confidently.

FunctionalRead Your Data Easily in Any Light

The high-contrast LCD display with an adjustable backlight ensures all your critical dive information is clear and legible. This feature is essential for maintaining readability in various underwater conditions, from bright, shallow waters to low-light environments.

FunctionalTrust Your Dive Profile Calculations

This computer utilizes the well-established Bühlmann ZHL-16C algorithm for managing decompression calculations. This proven algorithm provides a reliable basis for planning and executing your dives safely, including support for Nitrox mixes with up to 99% oxygen.

Ideal buyer profiles

Adventurous Hobbyist Diver

This diver has moved beyond basic open-water dives and is exploring different types of diving, including deeper recreational dives and freediving. They value reliable equipment that can grow with their skills without being overly complex or expensive.

The Seac Action Mc offers the versatility this diver needs with its Scuba, Gauge, and Freediving modes. The trusted Bühlmann ZHL-16C algorithm and safety alarms for MOD, ascent rate, and decompression violations provide peace of mind. Its user-replaceable CR 2450 battery means they can easily swap it out, ensuring the computer is always ready for the next adventure.

Tech-Savvy Diving Enthusiast

This diver appreciates the technology behind their gear and wants a computer with a proven algorithm and clear data display. They are comfortable managing settings and reviewing dive logs to understand and improve their performance.

This product is an excellent fit, featuring the reputable Bühlmann ZHL-16C decompression algorithm. The multiple dive modes (Scuba, Gauge, Freediving) cater to their varied interests, while the rugged housing is designed to withstand impacts and corrosion. The clear LCD display and comprehensive alarm system meet their need for accessible, reliable data during every dive.

Price-Sensitive Casual Diver

This individual dives a few times a year, perhaps on vacation, and wants a dependable, easy-to-use dive computer without paying for professional-grade features they won't use. They prioritize safety, reliability, and straightforward operation.

The Seac Action Mc provides all the essential features for safe recreational diving, including critical alarms and a 100-meter depth rating, at an accessible price point. Its user-replaceable battery eliminates the future cost and hassle of professional servicing, making it a cost-effective choice for the occasional diver who still demands trustworthy performance.

Competitive features

When evaluating dive computers, the Seac Action Mc stands as a capable and versatile option, especially when compared to alternatives like the Aqualung I330r, Cressi Neon, and Mares Quad 2. All these models occupy a similar position in the market, making feature sets and specific functionalities the key differentiators. The Seac Action Mc is designed as a comprehensive tool for both recreational scuba divers and freedivers, offering a robust set of features in a durable package.

Where it excels

Features three distinct dive modes (Scuba, Gauge, and Freediving), providing tailored functionality for different underwater activities. Utilizes the reliable Bühlmann ZHL-16C decompression algorithm for managing scuba dives, a trusted standard in the diving community. Includes a comprehensive set of safety alarms, including alerts for MOD, ascent rate, and decompression violations. Powered by a user-replaceable CR 2450 battery, offering convenience for divers who prefer to manage their own equipment maintenance.

Consider alternatives if...

Verdict

The Seac Action Mc Dive Computer is a solid choice for divers seeking a reliable, multi-purpose device without unnecessary complexity. Its use of the Bühlmann ZHL-16C algorithm, multiple dive modes, and robust construction make it a dependable companion for recreational and freediving adventures. The user-replaceable battery adds a layer of convenience, ensuring it's always ready for your next dive. While it may not have the advanced wireless connectivity of some higher-end models, it delivers core functionality effectively.

Specs comparison

Specs vs competitors

Materialrugged Housing (structure) designed to withstand impact, corrosion and temperature changesMineral Glass----
Alarm FunctionMOD, ascent rate, decompression violation and maximum allowed altitude alarmscustomizable alarms for depth, time, hydration, ascent speed, and recovery timeYesMax Diving Depth Alarm: One customizable alarm for your target maximum depth.-Visual and Audible Alarms
Dive ModesScuba, Gauge, Freediving-Air, Nitrox, Gauge, Free-Air, Nitrox, Gauge, Free DiveAir, Nitrox, Gauge, Free Diving
Max Depth Rating100 meters150 m100m/330 ft100 Mt.120 meters (394 feet)120 meters (394 feet)
Water Resistance100m150 m-100m Water Resistant120 Meters-
Typewristwrist-wristwristwatch-stylewristwatch-style
Battery TypeCR2450-user-changeable batteryCR2032User-replaceable CR2450user-replaceable battery
Similar alternatives to this product
Related products viewed by other shoppers
We think you might be interested in this

You might also be interested in

Tradeinn works with its own stock and with more than 2,000 suppliers connected daily. We update availability in real time to offer you the widest possible catalog, always at the best price. Some products may require additional delivery time depending on supplier availability.

Quick & easy 30-day return

Secure & safe shopping

100% Satisfaction Guaranteed

Always the best online price

Loading image