SEIKO Seiko CROWN Crown 57-8000 Hand-wound Wristwatch Tatsunootoshigo Seahorse Sea Horse Back Cover Currently running. Time adjustment is possible with the crown. Stopped after 17 hours. There was no delay at the 10-hour mark after winding!!! It's quite old, so I think an overhaul is necessary. Length approximately 3.5cm Width approximately 3.8cm (including crown) Lug width approximately 1.8cm No accessories. No strap either. There are scratches and stains. ※Important※ Please check the condition in the photos! There are scratches, stains, and rust! It's a very vintage item! Please purchase if you understand this.