A Lange & Sohne Lange 1 Mens Watch 101.030

18k White Gold case, Transparent Sapphire Crystal caseback, Case Diameter:38.5 mm, 18k White Gold, Fluted Crown, Leather - Black Crocodile strap, Tang buckle, Gray dial. Watch Bracelet Length: 8.0 inches, Width: 16.0 - 20.0 mm,sapphire crystal, manual wind Mechanical movement, Big date at the 1 o'clock position, Small seconds subdial at the 5 o'clock, Power reserve indicator at the 3 o'clock position, Big Two-digit Date at 2 o'clock: Patented two-disc date mechanism, Power reserve of 72 hours