Grande Lange 1

Reference: 115.026, Lange movement: Calibre L901.2, manually wound. Time indicated in hours, minutes, small seconds with stop seconds, patented outsize date, power-reserve indicator. Crown for winding the watch and setting the time, date correction push-piece. Precision-adjusted in five positions. Twin mainspring barrel, power-reserve more than 72 hours when fully wound. Plates and bridges made of untreated German silver; balance cock engraved by hand. Three-part platinum case with anti-reflection-coated sapphire-crystal glass and caseback, diameter 41,9 mm. Supple crocodile strap with Lange buckle in solid platinum. Dial made of solid silver, rhodié.