A. Lange and Sohne 109.025 Lange 1 Moon Platinum / Deployment (28768)

28768 A. Lange & Sohne 109.025 Lange 1 Moonphase, 109025, platinum on a strap with a white gold deployant buckle, manual wind A. Lange & Sohne caliber L 901.5, silver dial withi applied numerals, patented big date, power reserve indicator, small seconds, moonphase, display back, sapphire crystal, water resistant to 3 atm, diameter: 38.5mm, thickness: 10.4mm, Like New with original box, setting pin and certificate dated June 2003

$34,500

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More about A. Lange and Sohne 109.025 Lange 1 Moon Platinum / Deployment

This is a platinum A. Lange & Sohne Lange 1 Moon phase 109.025. It has a black leather strap with a platinum tang buckle, and a scratch resistant sapphire crystal. There is a screwed down exhibition sapphire crystal case back secured by 6 screws. The 38mm diameter solid three-body case, rounded bezel, and curved lugs are polished. The dial is rhodium-plated solid silver with an off-center time dial with applied Roman numeral hour markers at the quarter hours, and luminous alpha hands. There is a patented double window large date at the 2 o'clock position, with a quick date-correction button located on the case edge at 10 o'clock. The subsidiary moon phase dial with integral constant seconds indicator is at 5 o'clock, and a 72-hour power reserve sector is positioned between 2 and 4 o'clock. It's water resistant to 30 meters/100 feet, and the 10mm thick case, dial, and movement are all signed.

This A. Lange & Sohne Lange 1 Moon phase 109.025 has a mechanical manual winding A. Lange & Sohne caliber L 901.5 movement that's made from Glashütte 3/4 plate, with fausses cotes embellishment. It's constructed with 54 jewels, including 9 in screw-mounted gold chatons, twin spring barrels, and a shock absorber mechanism. It includes a straight-line lever escapement, a monometallic balance that's adjusted to 5 positions, and a self-compensating flat balance spring. It has a swan neck micrometer regulator, and a hand engraved balance bridge. The mechanism oscillates at 21,600 vph (3 Hz).

The moon phase of the A. Lange & Sohne Lange 1 Moon phase 109.025 is connected to the seconds hand, continuously advancing to a full revolution every lunar cycle.