Dive Computer Backups

Seac Action Computer

SKU: SECACTBK

~~$269.95~~ Save: $90 (33%)

^$179.95

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In Stock

DESCRIPTION

A wrist-mount diving computer with easy-to-use modes for scuba, gauge, and freediving.

Garmin Descent Mk3i 51mm Dive Computer Smartwatch

57 reviews

SKU: GRMDMK51TB

~~$1799.99~~ Save: $200 (11%)

^$1599.99

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In Stock

DESCRIPTION

A dive-first smartwatch with enhanced sonar technology, GPS, and dive readiness tool, synced with Garmin Dive app.

Garmin Descent Mk3i 43mm Dive Computer Smartwatch

16 reviews

SKU: GRMDMK43BK

~~$1399.99~~ Save: $200 (14%)

^$1199.99

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In Stock

DESCRIPTION

A dive-first smartwatch with enhanced sonar technology, GPS, and dive readiness tool for smaller wrists.

Garmin Descent G1

15 reviews

SKU: GRMDG1SG

~~$549.99~~ Save: $50 (9%)

^$499.99

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In Stock

DESCRIPTION

A watch-style dive computer with health monitoring, Garmin Pay, and reviewable dives.

Suunto Zoop Novo & Vyper Novo Battery Replacement Kit

14 reviews

SKU: SQTBKZVN

^$39.95

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In Stock

DESCRIPTION

A factory-approved battery replacement kit for Suunto Zoop Novo & Vyper Novo dive computers and gauges.

Padi Recreational Dive Planner Table

12 reviews

SKU: PDI60054

^$52.30

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In Stock

DESCRIPTION

A durable, waterproof dive planner table with easy-to-follow flow chart format for safe diving.

Cressi Goa Wrist Computer

11 reviews

SKU: CSBGWBKGR

~~$329.95~~ Save: $30 (9%)

^$299.95

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In Stock

DESCRIPTION

A compact scuba wrist computer with large easy-to-read numbers, audible alarm, and user-replaceable battery.

Suunto Zoop, Vyper & Cobra Battery Replacement Kit

10 reviews

SKU: SQTBKC

^$39.95

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In Stock

DESCRIPTION

A Li-ion spare/replacement battery kit designed for Suunto Zoop, Vyper & Cobra dive computers.

Oceanic Battery Kit for Atom/Geo Dive Computer

7 reviews

SKU: OCNBKA

^$29.95

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In Stock

DESCRIPTION

A factory authorized lithium ion cell battery kit for Oceanic Atom/Geo Dive Computer.

3.0 Volt CR-2430 Battery - See Description for Compatibility

6 reviews

SKU: AQUBY2430

~~$6.99~~ Save: $2 (29%)

^$4.99

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In Stock

DESCRIPTION

A 3.0V lithium battery for dive computer and gauge accessories, with high ratings and compatibility information.

Aqua Water Proof Dive Tables 6" x 8" (15.2cm x 20.3cm)

6 reviews

SKU: AQUWPDT

^$15.95

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In Stock

DESCRIPTION

A waterproof dive table with US Navy decompression tables for safe diving.

Oceanic Battery Kit Dive Computers ~ For Veo Series, Versa, Versa Pro, VT Pro

4 reviews

SKU: OCNBKV

^$29.95

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In Stock

DESCRIPTION

A factory authorized lithium-ion battery kit for multiple Oceanic dive computers, complete with replacement instructions.

Hollis Pressure Gauge Brass Module w/o Boot

4 reviews

SKU: HLSPGMP

^$127.95

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In Stock

DESCRIPTION

A compact and accurate brass pressure gauge module with scratch-resistant tempered glass lens.

Genesis Centauri Dive Watch Computer

3 reviews

SKU: GNSWC

^$299.95

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In Stock

DESCRIPTION

A versatile dive watch computer with customizable settings, audible/vibration alarms, and a stylish design.

Scubapro Galileo 3 Titanium Wrist Dive Computer

3 reviews

SKU: SCPG3

^$599

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In Stock

DESCRIPTION

A lightweight titanium dive computer with a full-color display, wireless air integration, and advanced dive modes.

Princeton Tec 500 Lumens Torrent LED Dive Light

3 reviews

SKU: PTCTL5BK

^$87.99

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In Stock

DESCRIPTION

A small and compact handheld dive light with a focused narrow beam, double O-ring seal, and a depth rating of 330'.

Apeks DSX Technical Wrist Computer

2 reviews

SKU: APXDTWC

^$1399

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In Stock

DESCRIPTION

A highly advanced wrist computer for serious technical divers, with sidemount and CCR modes and management of up to 6 gases.

TUSA IQ1204 DC Solar Link Dive Computer

2 reviews

SKU: TBTIQ1204BKG

~~$699~~ Save: $139.80 (20%)

^$559.20

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In Stock

DESCRIPTION

A solar-rechargeable dive computer with Bluetooth log transfer, 4-mix gas support, and a rugged, factory-sealed design.

Suunto Vyper Novo Wrist Computer and Transmitter

1 reviews

SKU: SNTVNTRWH

~~$759.90~~ Save: $77.70 (10%)

^$682.20

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In Stock

DESCRIPTION

A Suunto wrist computer with air integrated capability, audible alarms, and wireless gas transmitter.

Garmin Descent Mk3i 43mm Dive Computer with T2 Transmitter, Bronze PVD Titanium/French Gray Silicone Band

1 reviews

SKU: GRMDMK43F

~~$1899.98~~ Save: $200 (11%)

^$1699.98

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In Stock

DESCRIPTION

A dive computer and transmitter set with GPS, ABC sensors, and 100-hour battery life, rated for 20 ATM.

Scubapro Digital Depth Gauge Wrist Mount, Imperial

1 reviews

SKU: UTCDG

^$189

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In Stock

DESCRIPTION

A wrist-mounted digital depth gauge with wet sensor activation and ascent rate alarms.

Scubapro 2 Gauge Console, Imperial

1 reviews

SKU: SCP2G

^$229

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In Stock

DESCRIPTION

A compact and durable 2 gauge console with luminiscent dials for low light visibility.

Atmos Mission 3 Dive Computer

SKU: AMSM3WBK

~~$459~~ Save: $99.04 (22%)

^$359.96

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In Stock

DESCRIPTION

A sleek, featherweight dive computer with a bright 1.4" color AMOLED display, GPS navigation, and multiple dive modes.

Garmin Descent Mk3i 51mm Dive Computer with T2 Transmitter, Carbon Gray DLC Titanium/Black Silicone Band

SKU: GRMDMK51BP

~~$2099.98~~ Save: $200 (10%)

^$1899.98

+ wishlist

In Stock

DESCRIPTION

A durable, feature-rich dive computer with GPS, bathymetric maps, and a long-lasting battery.

Garmin Descent X50i Dive Computer

SKU: GRMDX50I

~~$1499.99~~ Save: $200 (13%)

^$1299.99

+ wishlist

In Stock

DESCRIPTION

A 3-inch touchscreen dive computer with sapphire lens, 20 ATM rating, and SubWave messaging technology.

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Dive Computer Backups

As scuba diving becomes more accessible and adventurous divers push their limits in new environments, the importance of redundancy in dive gear has never been clearer—especially when it comes to dive computers. A backup dive computer is not just a luxury for technical divers or those on extended liveaboard trips; it is a practical safeguard for anyone who values safety beneath the surface. The reality is that even the most reliable primary dive computers can experience unexpected issues, such as battery depletion, sensor malfunctions, or connectivity glitches. Having a secondary device means you can continue your dive with confidence, or safely execute an ascent if your main computer fails. This layer of protection is especially critical during deep dives, decompression stops, or when managing multiple repetitive dives over several days. Many divers opt for compact, wrist-mounted "puck" style computers as backups, appreciating their simplicity and ease of use. Others may choose traditional depth gauges and dive watches, but a full-featured backup dive computer, ideally with matching decompression algorithms to your primary, offers the most seamless redundancy and peace of mind.

Selecting the right backup dive computer involves careful consideration of your diving style, the environments you frequent, and your existing gear. For those exploring remote reefs or embarking on multi-day expeditions, a robust backup is indispensable, as immediate equipment replacement may be impossible. Consistency in decompression algorithms between your devices is important to avoid conflicting data during a dive. Regular maintenance—checking batteries, monitoring O-rings, and updating firmware—ensures your backup is ready whenever you need it. Backup computers also make thoughtful gifts for experienced divers, dive instructors, or anyone advancing into more complex diving scenarios. As the weather warms and dive travel increases, equipping yourself or a loved one with a reliable backup is a practical way to support both safety and adventure. For divers who frequently switch between computers or need to manage dive logs across multiple devices, exploring solutions for Dive Computer Transfers can further streamline the process and ensure continuity in tracking your underwater experiences.

Whether you’re planning a summer of local shore dives, joining a liveaboard in tropical waters, or simply want to be prepared for anything the underwater world may throw your way, investing in a backup dive computer is a smart move. It’s a piece of gear that often sits quietly in the background, but when it’s needed, its value becomes instantly clear. From technical divers managing intricate decompression schedules to recreational divers who want the assurance of redundancy, a backup dive computer is a practical addition to any kit. With thoughtful selection and regular care, your backup device can offer years of reliable service, helping you make the most of every dive season—no matter where your next underwater adventure takes you.