Swiss made, automatic, 31.80 mm/7.52 mm, 28 jewels, 70-hour power reserve, 4Hz (28,800 vph).

Functions: hours, minutes, seconds, additional 24-hour hand (second time zone).

Special Features: Traversing balance bridge. Free-sprung balance wheel. Silicon hairspring. COSC chronometer.

Powers: Tudor Black Bay GMT

Posted by:Prowatches