Seiko 21 Jewels Self-Winding Automatic Movement (Calibre 7S36)

• No Batteries, Require Power by Motion

• Silver Color Dial with Gold Tone Index

• Stainless Steel Case and Band

• Push Button Fold Over Deployment Clasp

• Day/Date Display with Spanish Option

• Hardlex Crystal for Durability

• Luminous Hands and Markers

• Transparent Screw Down Case Back

• Case Size:  37 mm Diameter, 10.5 mm Thickness

• Water Resistant - 30 M