Caliber 4R57
Vibrations: 21,600 vibrations per hour (6 beats per second)
Power reserve: approximately 41 hours
Jewels: 29 jewels
Specifications:
Stainless steel case
Sapphire crystal
Diameter: 42.00mm, Thickness: 14.0mm
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Stainless steel bracelet with three-fold clasp with push button release