The Breguet Classique Power Reserve Regulator watch, Ref. 3680BB/11/986, features a 36.3mm case in 18-karat white gold, a convex sapphire crystal, an engine-turned guilloche dial in silvered gold, and a crocodile strap with a white gold buckle. The Breguet Classique Power Reserve Regulator watch is animated by a self-winding mechanical movement with off-centered hours, central minutes, a date display with serpentine hand, and a power reserve indicator. This timepiece is water resistant to 30 meters.