Seiko OEM Deployant Clasp 18mm (for 20mm Presage Leather Straps) B16S51SA02W

Model: B16S51SA02W. Suitable for a range of Seiko Presage models, including Seiko deployant clasp (as pictured). A clean, unused OEM clasp—ideal if you’re upgrading from a standard buckle or replacing a worn deployant with the correct Seiko part.