Dial Color: Black Dial Gender: Men's watch Water Resistant: 100 Meter 10Bar Case diameter: 46 (crown) x 41 x 12 mm (thickness) Face Height: 36 mm Lug Width: 17 mm Max Length: 220 mm Circumference Japan Movement: 4R36A 24 Jewels Automatic This mechanical watch operates using power obtained from a mainspring If the watch is completely stopped, manually turn the crown approximately 20 times to wind up the mainspring to start the watch. Seiko Stainless Steel Case Seiko Stainless Steel Bracelet Double-fold with Push Button Release See Thru Screw Down Case back Lumibrite Hands and Silver Markers Scratch Resistant Hardlex Crystal Glass Display Date at 3 o'clock position Display Day at 3 o'clock position Crown at 3 o'clock position Weight: 145g