Japan clasp, Pearl clasp, official version, micro-adjustable buckle. Strongly recommended by Omega for the 2025 annual Ocean Universe Seamaster diving watch, exclusive quality across the internet. Movement features the Co-Axial 8900 clasp, with the corrected movement 8900 integrated machine. The buckle uses the original micro-adjustable design. The glass is made of scratch-resistant, durable blue light glass. The case is crafted from 316L stainless steel, equipped with the only one-way rotating bezel of its kind, boasting triple waterproofing. Case dimensions are 43.5mm in diameter and 13mm in thickness.