Tudor Black Bay 58 GMT Jubilee 39mm 7939G1A0NRU carbon 26 The Speedmaster Chronoscope sits apart

The Speedmaster Chronoscope sits apart from the Moonwatch in Omega's lineup — 43mm case

The PAM01678 is presented on a dark blue calfskin strap with beige ecru stitching that echoes the dial’s accents

the Submariner Date standard

The Calibre 3220 is a modular automatic chronograph — an ETA 2892-A2 base mated to a Dubois-Dépraz chronograph module — with a 40-hour power reserve

Though now discontinued

Tudor Black Bay 58 GMT Jubilee 39mm 7939G1A0NRU carbon 26 The Speedmaster Chronoscope sits apartOverview The Tudor Black Bay 58 GMT reference 7939G1A0NRU the Coke is the most technically ambitious watch in the BB58 line. A true flyer GMT in a 39mm case is a meaningful engineering achievement: the local hour hand adjusts in one hour increments without stopping the movement, a complication that Tudor has packaged into the same slim profile as the standard BB58. The 39mm case retains the BB58s defining proportions: 11. 7mm thick, with a domed