Driving system	Automatic with manual winding mechanism
Caliber Number	4R57
Case	Stainless steel case Case back: stainless steel and glass
Glass	Dual-curved sapphire crystal
Drive duration	Power reserve: 41 hours
Water resistance	Water resistance for everyday life
Magnetic reluctance	Magnetic resistance
Size	H49.2mm x W42mm x D14.1mm
The perimeter of bracelet	205mm
Weight	143g
Driving system	See-through case back Screw case back Jewels: 29 jewels Date hand Power reserve Stop second hand function