Caliber 9R31

Driving system: manual winding

Power reserve: 72 hours

Accuracy: ±1 second per day / ±15 seconds per month (average)

Stainless steel case and Crocodile leather clasp

Dual-curved sapphire crystal with anti-reflective coating

See-through screw case back

Power reserve display

Water resistance: Splash Resistant

Diameter: 38.5mm

Thickness: 10.2mm

Number of jewels: 30