GMT ST2557 Watch Mens Vintage Automatic Mechanical Watch 45mm Mens Watch Stainless Steel Mineral Glass Watch ST2557 Movement

Detailed product parameters:- Brand: OUMASHI- Style: GMT ST2557 watch- Watch movement:  ST2557 Automatic movement- Movement function: 4 hands / Calendar display- Case material: 316L stainless steel- Back cover material: 316L stainless steel+glass- Case diameter: 45mm (excluding crown)- Case length: 54mm (total length of top and bottom)- Case thickness: 17.28mm (including lens and caseback)- Case ear position: 24mm (where the case and strap are attached)- Watch length: 220mm (total watch length / circumference)- Strap material: Leather- Glass material: Mineral glass- Crown type: screw-in crown- Dial size: 36.8mm (surface diameter)- Exhaust valve: no- Packaging standards: Professional packaging to avoid damage during transportation- C3 green luminous dial & hands- Water resistance level: 100 meters waterproof / diving [can wash hands, swimming, diving, to meet all daily waterproof requirements]