I love the two-tone Bronze GMTs. Clint Eastwood wore this exact reference (16753) in this configuration (Jubilee bracelet and bi-color bezel) in the movie Firefox!
This is one of the "transitional" references, 1675x, the only GMT-Master IIs with the quick-set date. Later, in the reference 1671x the date became semi-quick-set with the advent of the jumping hour hand.
Bronze Nipple Dial, Jubilee bracelet, yellow gold and stainless steel. It doesn't get any better.
From L-R: Kingston, LRRP, Quad10, Vantage.
The movements used in each are ETA 2836, 2893-2, 2824-2, and 2824-2, respectively.
Function-wise it's non-date, date + GMT, date, and non-date, respectively.