Precise Japanese SII Caliber NH25A 21-Jewel Self-Winding Automatic Movement Solid Stainless Steel Screwdown Crown All Light UP White Luminous Dial Date at 3 O'clock Window Size/Dimensions: 42mm wide by 14mm thick Style: Sports Resizable: Yes Adjustable: Yes Gift Box: Gift Box Material: Stainless Steel Dial Color: White Movement: Mechanical