Time, redefined.
Quick-release magnetic attachment.
Three sizes. Two materials. One click.
2x harder than tempered glass.
Anti-reflective coating.
Always-on display.
1–120Hz adaptive refresh.
Surgical-precision CNC machining.
42g total weight.
Photoplethysmography · ECG.
Skin temperature · Blood oxygen.
Five finishes. One obsession with detail.
Every gram, every micron, every milliampere — measured.
ARC · Designed in California