Seiko - Kinetic Auto Relay energy storage for up to four years of time memory, Time relay function automatically transfers time in memory to hands, Quick-start of time relay function with a few shakes, Manual demonstration of time relay function available, LumiBrite hands and markers, Double locking clasp, Unidirectional rotating elapsed timing bezel Size/Dimensions: 41mm wide by 13mm thick Style: Sports Resizable: Yes Adjustable: Yes Gift Box: Gift Box Material: Stainless Steel Dial Color: White Movement: Quartz