San Martin 39mm Dive Watch SN0121GB - Simple Chapter Ring daydate and it should be replaced

and it should be replaced in time if it breaks

Product name Luxury Men Automatic Mechanical Watches

Water resistance: 200 m / 20 ATM

Crown: Screwdown CrownCase back: Screwback CaseWatch DimensionCase diameter: 42mm ( without crown)Case length: 47

San Martin 39mm Dive Watch SN0121GB - Simple Chapter Ring daydate and it should be replacedWatch Specification: Model: watchdives x san martin SN0121GBMovement: NH35 [Automatic Mechanical Movement] Case material : 316L Stainless steel Glass: Sapphire Crystal Glass, AR CoatingBezel: 120 click unidirectional rotatable ceramic bezel with BGW9 luminous markersDial Color: Matte black and matte blueLuminous: BGW 9 Blue Light, bezel, Hands and MarkersCrown: Screw down Crown, With 3D Hexagon LogoCase Back: Screw down Case Back, Brushed