316l surgical-quality stainless steel case; jeweled chinese 2653 automatic movement; jewel bearings: 24 jewels; 41 hour power reserve; beats per hour (bph): 21600/hour; sapphire-coated mineral crystal; mother of pearl dial; skeleton dial; 8 crystal markers on dial; observation caseback to view movement; jewel-tipped crown; genuine leather strap; logo-engraved stainless steel clasp; 37mm case diameter; 5atm water resistance;