Series Bentley GMT, Breitling Calibre 47B, chronometer-certified by the COSC, mechanical selfwinding, high-frequency (28,800 vibrations per hour), 38 jewels. 1/8th of a second chronograph, 30-second, 15-minute and 6-hour totalizers, 24-hour 2nd timezone display. Date. Steel case. Water-resistant to 100 metres. Screw-locked crown. Rotating pinion bezel with 24 timezone indication. Cambered sapphire crystal, glareproofed both sides. Diameter: 49 mm. Royal Ebony dial, Royal Ebony subdials, markers. Rubber GMT strap, 18K red gol pushbutton folding clasp. Reference: R4736212/B934.