316l surgical-quality stainless steel case; jeweled automatic movement; jewel bearings: 22 jewels; 40-hour power reserve; beats per hour (bph): 21600/hour; observation caseback to view movement; sapphire-coated mineral crystal; skeleton dial; crown protector case design; genuine leather crocodile-embossed strap ; logo-engraved stainless steel clasp; super luminova hands; super luminova markers; seconds sub-dial; 48mm diameter; 5atm water resistance;