A. Lange and Sohne Grand Lange 1 117.028 Black Dial

More about Grand Lange 1 117.028 Black Dial

This is an 18K white gold A. Lange & Sohne Grand Lange 1 117.028. It includes an alligator leather Strap with a matching 18K white gold buckle. The solid three-body case, rounded bezel and downturned lugs are polished. The dial is black with luminescent alpha hands and a patented big date window at 1 o'clock. The minute/hour offset time aperture is between 8 and 10 o'clock, and a small seconds register is between 4 and 5 o'clock. The up/down 72-hour power reserve indicator arc is between 2 and 4 o'clock. It has a scratch resistant sapphire crystal, a stop seconds function, and it's water resistant. The case, dial, and movement are all signed. This A. Lange & Sohne Grand Lange 1 117.028 has a mechanical manual winding caliber L905.1 movement that's made of Glashütte 3/4 plate in German silver with fausses cotes decoration. It's constructed with 42 jewels, 397 components, and 7 screwed gold chatons. It has a straight-line lever escapement, and a shock-resistant monometallic balance adjusted to 5 positions with eccentric poising weights. Included are a self-compensating flat balance spring, a swan neck micrometer regulator, and a hand-engraved balance bridge. It oscillates at 21,600 vph (3 Hz), The A. Lange & Sohne Grand Lange 1 117.028 debuted in 1994, and celebrated its 20th anniversary in 2014. It has achieved more awards than any other A. Lange & Sohne timepiece. The Grande Lang 1 is the larger model of the Lange 1, and it debuted in 2012.

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