Tudor Calibre MT5652 automatic chronometer movement with 26 jewels, running at 28800 vph and offering a power reserve of about 70 hours. Silver-tone stainless steel round case measuring 39 mm in diameter and 14.6 mm thick, featuring an opaline dial accented by black hands, index hour markers, and minute markers along the outer rim. Black hybrid strap combining rubber and leather on a silver-tone stainless steel bezel with fixed design. Analog functions including central second hand displaying GMT alongside local time at two zones (12-hour analog display for 24-hour format). Date indicator located at the 3 o'clock position. Water resistance up to 200 meters / 660 feet depth. Equipped with fold over clasp closure mechanism and screw-down crown enhancing durability and water-tightness. Swiss Made luxury watch style from Black Bay Pro Series.