Caliber 9R66

Driving System：Spring Drive

Power reserve：72 hours

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

Stainless steel case

Dual-curved sapphire crystal with anti-reflective coating

Ware Resistance: 20 bar

Diameter: 44mm

Thickness 14.7mm

24-hour hand (dual time display function)

Calendar-linked time difference adjustment function

Date display

Power reserve indicator

Rotating bezel

Screw case back

Screw-down crown

Number of Jewels: 30

Stop second hand function