Big Bang Unico Golf carries Hublot's MHUB1580 automatic movement, containing 43 Jewels, bitting at 28800 vph, and has a power reserve of approximately 72 hours, which has been specially created to allow golfers to calculate their scores on the course. The chronograph features return-to-zero heart piece cams that ensure the precision of the counting mechanism. Counts dot the dial, from which various pushers jut out. The putter-shaped pusher at 2 o'clock activates the mechanism to display the tally of strokes, while the one at 4 o'clock resets the counter and lets the wearer move to the next holeCarbon fiber and grey texalium upper layer case with a white leather strap. Fixed grey carbon fiber bezel. Silver-tone hands and index hour markers. Date display at the 3 o'clock position. Hublot Calibre MHUB 1580 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Round case shape, case size: 45 mm, case thickness: 18.1. Fold over clasp. Functions: hours, minutes, seconds, date, chronograph
