Seiko Japan NH36 Double Calendar Electroplated Black Men’s 40mm Automatic Mechanical Watch Rubber Band Sapphire Glass

Style: Black Double Calendar Men’s Automatic Mechanical Watch
Watch movement: NH36 brand new movement
Case diameter: 40mm, excluding crown measurement
Ear rod size: 20MM
Case thickness: 12.5mm
Case material: Solid 316L stainless steel
Lens material: artificially synthesized sapphire glass
Head: Screw in lock handle
Waterproof: 3ATM