Key features Model: Seiko 5 Sports, reference 4R36-07G0. Movement: Seiko in‑house 4R36A automatic mechanical movement, with day and date display at 3 o’clock, hand‑winding and hacking seconds. Power reserve: Approximately 41 hours. Case: Stainless steel, about 42–42.5 mm in diameter, around 13 mm thick, 22 mm lug width. Crystal: Hardlex/mineral crystal. Water resistance: 100 m / 10 ATM, suitable for swimming and snorkeling but not professional diving. Dial and bezel: Sporty analog dial (commonly black, green or blue) with luminous markers and hands; some variants have a rotating bezel. Strap/bracelet: Usually stainless‑steel bracelet or nylon/textile strap; some examples come on leather. Style: Classified as a men’s or unisex sports watch, combining casual everyday style with Seiko 5 robustness.