Seiko SKA402 Men。This watch is a vintage Seiko Kinetic Sports 100, a series produced primarily in the 1990s. This specific model is identified as the 3M22-0B99 for women. Key Features Movement: It uses Seiko\'s Kinetic technology, which generates electrical energy through the natural movement of the wearer\'s wrist to power the watch. Power Reserve Indicator: The button at the 2 o\'clock position is used to check the current power reserve, indicated by the sweeping motion of the second hand. Design: It features a gold-tone stainless steel case and a distinctive \"shark tooth\" or chevron-style link bracelet. Water Resistance: The \"Sports 100\" branding signifies a water resistance rating of 100 meters (10 bar), making it suitable for swimming and snorkeling. Additional Details: The dial includes a date window at the 6 o\'clock position and luminous hands and markers for visibility in low light. Sold As Is. It is running/working currently.