The A. Lange & Sohne Lange 1 38.5mm watch. Model reference: 101.035. This model is known as the ‘Darth” due to its black dial and date. There is a scratch-resistant sapphire crystal and a display case back that is secured with six screws. The solid, three-body 38.5mm diameter case, straight lugs, and curved bezel are polished. The dial is black rhodium with an off-centered time dial at 9 o’clock, and a small seconds subsidiary dial at 5 o’clock. There are applied white gold Roman numerals at 12, 3, 6, and 9 o’clock, white gold alpha hands, and diamond-shaped hour index markers. The patented big date double window is at the 2 o’clock position, and there is an up/down 3-day power reserve indicator at 3. It has a quick date reset button on the case at 10 o’clock. It’s water resistant to 30meters (100 feet), and the 10mm thick case, dial and movement are all signed. The mechanical manual winding A. Lange & Sohne Lange caliber 901.0 movement is Glashutte 3/4 plate. It’s constructed with 53 jewels, and 9 screwed-in mounted gold chatons. It has a shock absorber mechanism, a straight-line lever escapement, and a monometallic balance that’s adjusted to 5 positions. It includes the patented fan-shaped, hand-engraved balance cock with a horseshoe-shaped precision whiplash index adjuster. There is a self-compensating flat balance spring, a hand-engraved balance bridge, and a swan-neck micrometer regulator. Included is a hand-stitched, black crocodile strap with an A. Lange & Sohne platinum ardillon buckle. Case, dial and movement signed A. Lange & Sohne. The watch comes in original packaging.