GMT-Master II tangiblee Fluted crown set with a

Fluted crown set with a cabochon sapphire

) That first run of six pieces increased to 33 by 1920

this smooth timepiece includes a chronograph for tracking elapsed time and a tachymeter index along its outer minute track for measuring speed

Complete with Breitling 17 caliber movement

Grand Seiko introduces a new generation Spring Drive caliber that is slimmer

GMT-Master II tangiblee Fluted crown set with aThe Rolex Certified Pre Owned GMT Master II is presented in a 40mm Oystersteel case with a black dial. The black unidirectional rotating bezel graduated for 24 hours ensures precise timing at a glance. Worn on an Oyster bracelet, it is driven by the automatic Calibre 3186.