





Descent™ Mk3i – 51 mm Carbon grey DLC titanium with black silicone band
Computers & Gauges - GARMIN
Explore the Depths with Confidence and Precision
The Garmin Descent Mk3i (51mm) is the ultimate dive computer and multisport smartwatch, combining cutting-edge dive technology with premium materials and smart features to support your adventures above and below the surface. Whether you’re a technical diver exploring complex environments or a recreational diver enjoying vibrant reefs, the Mk3i delivers exceptional performance and reliability.
Key Features:
✅ SubWave™ Sonar Technology: Pair with the Descent T2 transmitter (sold separately) for tank pressure monitoring and diver-to-diver messaging underwater.
✅ Premium Display: Bright AMOLED 1.4” color display with sapphire lens for outstanding readability in all conditions.
✅ Multiple Dive Modes: Supports single- and multiple-gas dives (including nitrox and trimix), gauge mode, apnea, apnea hunt, and closed-circuit rebreather (CCR).
✅ Customisable Dive Configurations: Set gas mixes, conservatism levels, and safety stops to match your dive plan.
✅ Advanced Dive Metrics: Real-time data on depth, time, decompression status, NDL, ascent/descent rates, and water temperature.
✅ Surface GPS: Automatically marks your entry and exit points for easy navigation.
✅ Smartwatch Features: Heart rate monitoring, Pulse Ox sensor, fitness tracking, notifications, Garmin Pay™, and music storage.
✅ Robust Battery Life: Up to 66 hours in dive mode and up to 25 days in smartwatch mode.
✅ Durable Design: Rugged yet stylish construction with a reinforced polymer case, titanium bezel, and comfortable silicone band.
Specifications:
-
Lens Material: Sapphire crystal
-
Bezel Material: Titanium
-
Case Size: 51 x 51 x 18.6 mm
-
Display Type: AMOLED color display
-
Display Size: 1.4” (35.56 mm) diameter
-
Display Resolution: 454 x 454 pixels
-
Weight: 99 grams (with silicone band)
-
Battery Life:
-
Smartwatch Mode: Up to 25 days
-
Dive Mode: Up to 66 hours
-
GPS Mode: Up to 76 hours
-
-
Water Rating: Dive (EN13319) – up to 200 meters
-
Connectivity: Bluetooth®, ANT+®, Wi-Fi®
-
Memory: 32 GB
What’s Included:
-
Garmin Descent Mk3i – 51mm Dive Computer
-
Black Silicone Band
-
Charging/Data Cable
-
Documentation
Take your diving experience to the next level with the Garmin Descent Mk3i. Designed for explorers who demand the best, this is your all-in-one dive computer, training companion, and adventure-ready smartwatch.
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PRODUCT INFORMATION
- Description
- Size Charts
- Shipping
- Returns
- Reviews
Explore the Depths with Confidence and Precision
The Garmin Descent Mk3i (51mm) is the ultimate dive computer and multisport smartwatch, combining cutting-edge dive technology with premium materials and smart features to support your adventures above and below the surface. Whether you’re a technical diver exploring complex environments or a recreational diver enjoying vibrant reefs, the Mk3i delivers exceptional performance and reliability.
Key Features:
✅ SubWave™ Sonar Technology: Pair with the Descent T2 transmitter (sold separately) for tank pressure monitoring and diver-to-diver messaging underwater.
✅ Premium Display: Bright AMOLED 1.4” color display with sapphire lens for outstanding readability in all conditions.
✅ Multiple Dive Modes: Supports single- and multiple-gas dives (including nitrox and trimix), gauge mode, apnea, apnea hunt, and closed-circuit rebreather (CCR).
✅ Customisable Dive Configurations: Set gas mixes, conservatism levels, and safety stops to match your dive plan.
✅ Advanced Dive Metrics: Real-time data on depth, time, decompression status, NDL, ascent/descent rates, and water temperature.
✅ Surface GPS: Automatically marks your entry and exit points for easy navigation.
✅ Smartwatch Features: Heart rate monitoring, Pulse Ox sensor, fitness tracking, notifications, Garmin Pay™, and music storage.
✅ Robust Battery Life: Up to 66 hours in dive mode and up to 25 days in smartwatch mode.
✅ Durable Design: Rugged yet stylish construction with a reinforced polymer case, titanium bezel, and comfortable silicone band.
Specifications:
-
Lens Material: Sapphire crystal
-
Bezel Material: Titanium
-
Case Size: 51 x 51 x 18.6 mm
-
Display Type: AMOLED color display
-
Display Size: 1.4” (35.56 mm) diameter
-
Display Resolution: 454 x 454 pixels
-
Weight: 99 grams (with silicone band)
-
Battery Life:
-
Smartwatch Mode: Up to 25 days
-
Dive Mode: Up to 66 hours
-
GPS Mode: Up to 76 hours
-
-
Water Rating: Dive (EN13319) – up to 200 meters
-
Connectivity: Bluetooth®, ANT+®, Wi-Fi®
-
Memory: 32 GB
What’s Included:
-
Garmin Descent Mk3i – 51mm Dive Computer
-
Black Silicone Band
-
Charging/Data Cable
-
Documentation
Take your diving experience to the next level with the Garmin Descent Mk3i. Designed for explorers who demand the best, this is your all-in-one dive computer, training companion, and adventure-ready smartwatch.
We will do our very best to get your order out as soon as possible. A flat shipping fee of $15 AUD applies to all orders within Australia*.
Shipping Details
- Orders are typically processed and shipped within 1-3 business days after payment is received.
- You will receive a confirmation email with tracking information once your order has been dispatched.
- Estimated delivery times vary by location but generally range from 3-7 business days.
PO Box Surcharges*
- Orders shipped to a PO Box will incur a $10 surcharge.
- Please note: Items longer than 1 meter cannot be shipped to PO Boxes.
Express Post Requests*
If you require Express Post shipping, please contact us directly for a quote:
📞 (03) 6231 9749
✉️ info@godivetassie.com.au
International Shipping*
If you are outside Australia, no worries! Email us to see how we can assist with your order:
✉️ info@godivetassie.com.au
Return & Refund Policy – Go Dive Tasmania
Our policy lasts 30 days. If more than 30 days have passed since your purchase, unfortunately, we can’t offer you a refund or exchange.
Returns
To be eligible for a return:
- Your item must be unused and in the same condition you received it.
- It must be in the original packaging, with tags attached.
- A receipt or proof of purchase is required — no exceptions.
Non-returnable items include:
- Gift cards
Do not send your purchase back to the manufacturer.
Partial Refunds (if applicable)
Partial refunds may be granted in the following situations:
- Items not in original condition, damaged, or missing parts not due to our error.
- Items returned more than 30 days after delivery.
Refunds (if applicable)
Once your return is received and inspected, we will notify you by email. We’ll let you know whether your refund is approved or rejected.
If approved, your refund will be processed, and a credit will automatically be applied to your original payment method within 7 days.
Late or Missing Refunds (if applicable)
If you haven’t received your refund:
- Check your bank account again.
- Contact your credit card company — processing times may vary.
- Contact your bank, as delays can occur before the refund is officially posted.
If you’ve done all of the above and still haven’t received your refund, please contact us at info@godivetassie.com.au.
Sale Items
Only regular-priced items may be refunded. Unfortunately, sale items are not refundable.
Exchanges (if applicable)
We only replace items if they are defective or damaged. If you need to exchange an item for the same one, email us at info@godivetassie.com.au and send your item to:
Go Dive Tasmania
67 Argyle Street
Hobart, TAS 7000
Australia
Gifts
If the item was marked as a gift and sent directly to you, you’ll receive a gift credit for the return value. Once the item is received, a gift certificate will be sent to you.
If the gift wasn’t marked as such or was shipped to the gift giver, the refund will be issued to the original purchaser, who will be notified of the return.
Shipping
To return your product, send it to:
Go Dive Tasmania
67 Argyle Street
Hobart, TAS 7000
Australia
- You are responsible for return shipping costs.
- Shipping costs are non-refundable. If you receive a refund, return shipping will be deducted from the total.
- For items over $75, we recommend using a trackable shipping service or purchasing shipping insurance. We do not guarantee receipt of returned items.