SEIKO Seiko Samurai SRPB51K1 Prospex Diver Operation confirmed. There are scratches and scuffs from use (crystal, bezel, and belt), but there are no problems with the operation. It is recommended for practical, everyday use. Adjusted to approximately 17.5 cm + 1 extra link. This is a used item and is personally owned. Please make your decision based on the photos and understand that this is a used item, and no returns or no claims will be accepted.