BV factory 39.8mm santos

Material: 316 stainless steel

Movement: Miyota 9019 modified movement

28800 amplitude per day, 48 hours of energy storage

Pointer: porcelain process

Sapphire Glass, Sapphire Crown

Double watchband.

Quick-release watchband

Please pay attention to distinguish: the back of the strap（Last picture.）SmartLink（Features that all other versions don't have!!!）