Tudor Black Bay Master Chronometer

Tudor Black Bay Master Chronometer in mint condition, originally purchased in August 2024 so less than one year old when taken into stock. It comes complete with box and papers with the balance of the Tudor five year warranty. The UK retail price is £4,010. Model reference is M7941A1A0RU-0003 This is a METAS Master Chronometer certification is comprehensive and covers the main functional characteristics of a watch including precision, resistance to magnetic fields, waterproofness and power reserve. Its standards are incredibly high, starting with precision, covering the following

Swiss Made
Two prerequisites are necessary for obtaining the certification: Swiss manufacturing must conform to Swiss Made criteria, and the movement must be certified by the Official Swiss Chronometer Testing Institute (COSC).

Precision
Certification by the Swiss Official Chronometer Testing Institute (COSC)
Precision at two temperatures, in six different positions and at two different levels of power reserve: 100% and 33%

Waterproofness
Waterproof to 200 m (660 ft) in accordance with ISO standard

Anti-magnetism
Smooth functioning when exposed to a magnetic field of 15,000 gauss and precision following exposure

Power Reserve
70-hour power reserve

Specifications:

Case
41mm stainless steel case with polished and satin finish

Lugs: 21mm lug width

Case thickness: 13.6mm

Movement
Manufacture Calibre MT5602-U (COSC and METAS certified)
Self-winding mechanical movement with bidirectional rotor system

Power Reserve
70-hour power reserve

Winding Crown
Stainless steel screw-down crown with the TUDOR rose in relief

Waterproofness
Waterproof to 200m (660 ft)

Bezel
60-minute unidirectional bezel in stainless steel with aluminium insert

Dial
Black, domed

Crystal
Domed sapphire crystal

Bracelet
5-link stainless steel bracelet with polished and satin finish with TUDOR “T-fit” clasp