Authentic Tudor Black Bay Chrono model M79363N-0003 and M79363N0003. Round brushed and polished stainless steel case with fixed yellow gold bezel featuring engraved tachymetric scale and lacquered black insert. Black nato strap with tang clasp. Domed black dial equipped with circle hour markers, luminous gold tone hands, date sub-dial at 6 o'clock, seconds and minutes sub-dials for chronograph functions. Automatic self-winding Tudor Calibre MT5813 (COSC) movement with 70-hour power reserve. Water resistant to 200 meters (approx. 660 feet). Includes a date function, power reserve indicator, hours, minutes, seconds and chronograph capabilities. Solid case back.
![[Model Number]: Tudor Black Bay 31 Automatic Chronometer Blue Dial Ladies Watch](https://cdn.lepodium.net/images/000/070/70015-2.jpg)
