Breguet Classique Moonphase Day Date. Case: 18K white gold, Dial: Solid 18kt white gold silver guilloche dial. Strap: black alligator leather with deployment clasp. Case back: see-through. Water resistance: 30 meters (100 feet). Bezel: round, fixed. Caliber 502.3, 45 hours power reserve. Functions: Hours, Minutes, Moonphase, Seconds, Day, and Date