A. Lange and Sohne Lange 1 Perpetual Calendar 345.056E 18k White Gold LIMITED UNWORN

More about Lange 1 Perpetual Calendar 345.056E 18k White Gold LIMITED UNWORN

This is an 18k white gold A. Lange & Sohne Lange 1 Perpetual Calendar Limited Edition 345.056E. It has an alligator leather strap with a white gold tang buckle and a scratch resistant sapphire crystal. It has a signed winding crown and an exhibition sapphire display case back secured with 6 screws. It's engraved with "A.LANGE & SOHNE – GLASHUTTE SA.," serial and edition numbers, and hallmarks. The 41.9mm diameter solid three-body case, curved lugs, and rounded bezel, are polished and brushed. The dial is solid 18k pink gold with 18k white gold sword hands. There is an offset time dial with applied white gold Roman numerals on the quarter hours, and diamond-shaped hour indices around an outer minute scale. There is a running seconds register at 7 o'clock with an inset moonphase indicator, day of the week indicator arch around the perimeter from 8 to 10 o'clock with a white gold sword indicator hand, and there is a rotating month ring at the outer edge of the dial. A white gold rimmed patented "big" date double aperture window is at the eleven o'clock position and the leap year indicator is at 6. It has a 50-hour power reserve at full winding, and the 12.1mm thick case, dial, and movement are all signed. This A. Lange & Sohne Lange 1 Perpetual Calendar Limited Edition 345.056E has a mechanical automatic winding A. Lange & Sohne Caliber L021.3 movement. It's rhodium plated with fausses cotes and Cotes de Geneve embellishment and some hand engraving on the bridges. It's constructed with twin barrels mounted in series, 76 jewels, blued screws, a shock absorber device, engraved yellow gold rotor, and a monometallic balance that's adjusted to 5 positions. The mechanism oscillates at a frequency 21,600 vph (3 Hz). The A. Lange & Sohne Lange 1 Perpetual Calendar Limited Edition 345.056E was introduced in a limited edition of 150 total pieces in 2021.

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