316l surgical-quality stainless steel case; jeweled automatic movement; jewel bearings: 20 jewels; 36-hour power reserve; beats per hour (bph): 21600/hour; sapphire-coated mineral crystal; custom vitreous enamel dial cloisonnã© is an ancient technique for decorating metalwork objects in recent centuries using vitreous enamel; observation caseback to view movement; hinged caseback cover of vitreous enamel; genuine leather crocodile-embossed strap; logo-engraved stainless steel clasp; luminous hands; day sub-dial; date sub-dial; 44mm diameter; 5 atm water resistance;