Seiko 5 SNKL83K1

Movement: Automatic Case size (approx.): (Width) 37mm x (Thickness) 11mm Water resistance: Water resistant for everyday use (3 atmospheres) Calendar (date, day of the week) Product Details: Black (Dial Color), Silver (Strap Color), Stainless Steel (Case Material), Stainless Steel (Strap Material), Analog Display, Mechanical (Automatic Winding), Water Resistance: Water Resistant for Daily Use, Clasp: Three-Fold Push Button, Crystal: Hardlex Glass, Functions: Calendar (Date, Day of the Week), Skeleton Back, Screw Back, Size: Case Size 42x38x11mm (Length x Width x Thickness), Wrist Circumference: Approx. 200mm, Weight: Approx. 116g, Strap Width: 18mm, Lug Width: 18mm, Accessories: Simple Instruction Manual