Garmin Descent G1
Rugged dive computer with multisport tracking and EN13319 compliance
Where to Buy
€379 / $504Prices and availability are subject to change. We may earn commission from these links.
Overview
The Garmin Descent G1 combines dive computer functionality with multisport tracking in a rugged package. Featuring a 100m depth rating, Bühlmann ZHL-16C algorithm, and EN13319 certification, it supports technical diving while offering smartwatch capabilities for surface activities.
Technical Specifications
Physical Specs
| Case Size (mm) | 45.5 x 45.5 x 15.2 mm |
| Weight (g) | 61 |
| Case Material | Fiber-Reinforced Polymer |
| Bezel Material | Fiber-Reinforced Polymer |
| Lens Material | Sapphire Crystal |
| Back Material | Fiber-Reinforced Polymer |
| Strap Material | Silicone (QuickFit 22mm) |
| Water Resistance Rating | 10 ATM (100m) |
Display
| Type | Transflective Memory-in-Pixel (MIP) |
| Size (inches) | 0.9 |
| Resolution (pixels) | 176 x 176 pixels |
| Features | Monochrome, sunlight-readable |
Hardware
| Chipset | Garmin Proprietary |
| Storage | 32MB |
| Neural Engine | No |
Battery
| Smartwatch Mode | Up to 21 days |
| Typical Use | Up to 21 days |
| GPS Mode | Up to 26 hours |
| Dive Mode | Up to 25 hours |
| Expedition Mode | Up to 27 days |
| Wireless Charging | No |
Diving - General Info
| EN 13319 Certified | Yes |
| Max Operational Depth Metres | 100 |
Diving - Scuba Features
| Supported | Yes |
| Dive Modes | Single Gas, Multi Gas (12 mixes), CCR |
| Decompression Model | Bühlmann ZHL-16C with Gradient Factors |
| Gas Mixes Supported | Air, Nitrox (21-100% O₂), Trimix |
| Max PO2 (bar) | 2 |
| Air Integration | No |
| Dive Log Capacity | 200 dives |
| Safety Features | Ascent Rate Monitor, Ceiling Indicator, Safety Stop Timer |
| Dive Computer Functionality | Built-in full-featured dive computer |
Diving - Freedive Features
| Supported | Yes |
| Max Depth (m) | 100 |
| Modes | Freedive, Apnea Hunt, Apnea, Spearfishing |
| Depth Tracking Accuracy | ±0.1m |
| Auto Depth Tracking | Yes |
| Surface Interval Tracking | Yes |
| Safety Alerts | Customizable depth thresholds |
Smart Features
| Operating System | Garmin OS |
| Health Monitoring Summary | Wrist-based HR, Pulse Ox, Stress Tracking, Sleep Analysis |
| Activity Tracking Summary | 150+ sports modes, ClimbPro, Heat/Acclimation Metrics |
| Smart Functions | Notifications, Garmin Pay, LiveTrack, Incident Detection |
| Payment System | Garmin Pay |
| Music Storage And Playback | No |
| Voice Assistant | No |
| Emergency Features | Incident Detection, LiveTrack |
| Navigation Features Summary | TracBack Routing, Waypoint Marking, Surf/Tide Data, Multi-GNSS support |
| Other Notable Features | ANT+ connectivity |
Max Depth: 100m
EN13319 Certified: Yes
Pros
- Supports technical diving with 12 gas mixes
- 100m depth rating with EN13319 compliance
- 25-hour dive battery life
- Rugged sapphire lens and polymer case
- Multi-GNSS positioning for surface tracking
Cons
- No air integration
- Monochrome display lacks color maps
- Complex menu system for new users
- Limited smart features compared to Apple Watches
- High price for non-technical divers