Caliber 9R66

Driving System：Spring Drive

Power reserve：72 hours

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

Number of Jewels: 30

GMT Dual-time display function

18K Gold and Stainless steel case

Stainless steel bracelet

High definition dual-curved sapphire crystal with anti-reflective coating

Screw in case back

Screw down crown

 三折式錶扣

Three-fold clasp with push button release

Ware Resistance: 20 bar

Magnetic Resistance4,800 A/m

Diameter: 44mm