HARDWARE SPECIFICATIONS & ERGONOMICS
Device Sizing & Fit Guide
Review detailed case dimensions, ear-coupling architectures, and wrist sizes to ensure the perfect fit for your setup.
| Case Size | Display Size | Wrist Circumference | Strap Lug Width | Ideal Use Case |
|---|---|---|---|---|
| 41mm Slim | 1.3-inch AMOLED (1000 nits) | 130mm – 175mm | 20mm Quick-Release | Slimmer wrists, boardroom meetings & sleep tracking |
| 45mm Classic | 1.43-inch AMOLED (1500 nits) | 155mm – 200mm | 22mm Quick-Release | Universal daily driver, notifications & daily fitness |
| 49mm Ultra | 1.99-inch Sapphire (3000 nits) | 165mm – 220mm | 26mm Titanium Lug | Marathons, scuba diving, mountaineering & solar GPS |
Wrist Measurement Tip: Use a flexible tailor's tape around your wrist bone. If your measurement falls right between 41mm and 45mm, choose 41mm for formal suits or 45mm for active lifestyle visibility.
Unsure about your sizing? Enjoy our 15-Day Risk-Free Home Trial & Replacement.