The Tudor Black Bay GMT (ref. 79830RB-0001) is a men's sports watch with a 41 mm round case in stainless steel. It has a black dial under sapphire crystal.
It is powered by a self-winding mechanical movement. Features: Luminescent markers, bidirectional rotating bezel, date indicator, second time zone function. The watch is fitted with a steel bracelet with a folding clasp in steel.
This example is brand new, and comes with the original box and papers.
