Jaeger-LeCoultre Reverso Duo Reference Number 270.1.54 Condition: Very good Gender: Men’s or unisex Time Period: 2010s Movement: Manual winding. Caliber: 854/1 - base JLC caliber 849 Jewels: 21 Case 18K gold Case Diameter: 42 x 26 mm Thickness: 10 mm Waterproof: 100 ft./30 m. Water Resistance: 3 ATM Material Bezel: Fixed 18K gold Glass: Sapphire crystal Dial: Silver and black (Day and Night) Dial Numerals: Black Arabic numeral and stick hour indices, black stick hour/minute markers around the inner ring Bracelet leather brown color. Clasp: Deployant buckle Clasp material: 18K gold Hours, minutes, subsidiary seconds dial at 6 o’clock, 24-hour subsidiary dial at 6 o’clock, 45-hour power reserve #iconsoftime26