Garmin Descent MK50i
The ocean has an incredible way of inviting us back time and time again! For those of us who accept the invite, the Descent X50i dive computer is an absolute must-have. Its sleek 3" color touchscreen makes it a breeze to check your DiveView™ maps, depth chart, and other crucial info when you're deep below the surface. This incredible device is built to last, featuring a sapphire lens, leakproof buttons, and a 20 ATM rating—perfect for some truly unforgettable dives! And there's even an integrated backup light for those moments when the visibility is on the low side.
But what really sets this device apart is the incredible SubWave™ sonar system! It enables diver-to-diver messaging and monitors the tank pressures and depths of up to eight divers within 10 meters when paired with the optional Descent™ T2 transceiver. This is a great feature for dive guides to ensure the safety of their group. With multiple dive modes, air integration, and features tailored to a variety of diving styles, it's the perfect companion for all your adventures.
Whats new?
3” Color Touchscreen Display

Air Integration

SubWave Sonar Networking

DiveView Maps

Dynamic Depth Chart

Build for new Depth

Dive Log

Surface GPS and Navigation

Integrated Backup Dive Light

| Feature | DESCENT MK3/MK3i 43 MM |
DESCENT MK3i 51 MM |
DESCENT X X50i |
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| Case Size | 1.69" x 1.69" x 0.56" | 2.01" x 2.01" x 0.65" | 2.46" x 3.87" x 0.97" | Display Size | 1.2" diameter | 1.4" diameter | 3.0" diagonal | Display Type | Color, AMOLED, touchscreen | Color, AMOLED, touchscreen | Color, LCD, touchscreen | Display Resolution | 390 x 390 pixels | 454 x 454 pixels | 640 x 360 RGB | Weight | 2.56 oz (MK3) 2.94 oz (MK3i) |
3.73 oz (silicone band) 5.85 oz (titanium band) |
9.88 oz (with band and buckles) | Lens Material | Sapphire crystal | Sapphire crystal | Sapphire crystal | QuickFit™ Watch Band Compatible | 0.79" | 1.02" | 0.79" | Strap Material | Silicone | Silicone or titanium | Elastic nylon with adjustment locking buckles | Battery Life | Smartwatch: up to 10 days GPS: up to 28 hours Dive mode: up to 30 hours |
Smartwatch: up to 25 days GPS: up to 76 hours Dive mode: up to 66 hours |
16 hours in medium backlight (default) 13 hours in high backlight 20 hours in night dive (low backlight) |
Water Rating | Dive (656 ft) | Dive (656 ft) | Dive (656 ft) | Air Integration | Up to 8 tanks with Descent™ T2 (MK3i only) | Up to 8 tanks with Descent T2 | Up to 8 tanks with Descent T2 | SubWave™ Sonar Networking | Up to 32 ft | Up to 32 ft | Up to 32 ft | Diver-to-Diver Messaging | Up to 98 ft | Up to 98 ft | Up to 98 ft | Built-in LED Flashlight | • | • | • | Dynamic Depth Chart | • | • | • | DiveView™ Maps | • | • | • | Tide Data | • | • | • | Smart Notifications | • | • | • |
What is the maximum depth rating for the Weefine WED-5 PRO?
The monitor is waterproof to 100 meters (330 feet), making it suitable for deep technical diving.
How long does the battery last underwater?
The included 21700 battery provides approximately 90 minutes of runtime, with quick-swap capability for extended shooting sessions.
Can I use custom LUTs with the Weefine WED-5 PRO?
Yes. The USB port supports custom 3D-LUT file imports for accurate color previews.
Is the Weefine WED-5 compatible with all camera housings?
It includes M24 and M16 waterproof adapters and HDMI Type A/C/D cables for broad compatibility.
Does it work well in bright sunlight underwater?
Yes. The 3,200-nit brightness and auto-backlight adjustment ensure excellent visibility even in strong sunlight at shallow depths.
- Weefine WED-5 Pro underwater video monitor
- Ball Base Adaptor
- Silicone Sunshade
- HDMI External Cable
- M16 Adaptor for HDMI Cable
- M24 Adaptor for HDMI Cable
- USB-C charging cable
- User Manual
- Warranty Card
- WBL-12C Battery
- DD-C2, DC-B2, DA-C4 Cables
- Glass Cleaning Cloth
- Silicone Oil
- O-Ring Picker
- Spare O-rings
- Adaptor Bulkhead (M16/M24)
- Hex Wrench
Why Buy from Bluewater
- Authorized Garmin & dive gear dealer — full manufacturer warranty.
- Founded and staffed by active divers, underwater photographers, and explorers.
- Decades of combined hands-on experience with the gear we sell.
- We test and use most of the equipment ourselves before recommending it.
2. Risk-Free Purchase (See Terms Of Service)
- 30-day, hassle-free returns (unused condition).
- Secure payment with trusted gateways (credit card, PayPal, etc.).
- All products shipped in factory-sealed boxes (unless stated).
- Transparent policies — no hidden fees or fine-print surprises.
3. Fast & Reliable Delivery
- Free U.S. shipping over $200 for Photo Gear & $50 for Dive Gear.
- Same-day dispatch on in-stock orders placed before 12pm.
- Worldwide shipping options with reliable carriers.
- Real-time tracking updates sent straight to your inbox.
4. Extra Value at No Extra Cost
- Lifetime product support by email, phone, or in-store.
- Setup help & usage tips tailored to your needs.
- Exclusive buyer’s guides, tutorials, and dive trip invitations.
- Early access to special promotions & new releases.
5. Social Proof & Community
- Thousands of satisfied divers & underwater photographers worldwide.
- 5-star average product & service ratings.
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6. Personal Connection
- Direct line to our in-house experts — no outsourced call centers.
- Friendly, passionate staff who speak “diver” fluently.
- We care about your whole adventure, not just the sale.
We offer lifetime support with all purchases.
Please call or email us with any questions; our knowledgeable staff would love to assist you.