A. LANGE & SÖHNE very fine and extremely rare, 18k white gold astronomical gents wristwatch Richard Lange perpetual calendar 'Terraluna', manual winding, reference 180.026FE, on both sides sapphire glazed, case back 6-times screwed, original leather strap with original 18k white gold deployant clasp, solid silver dial, display of decentralized hours, minutes & constant second, day, big date, month & on the back visible moon phase, correction at the sides in case inserted, fine, rhodium plated movement, calibre L096.1, fausses cotes decoration, hand engraved balance cock, diameter approx. 45,5 mm, original wooden box, watchmaker's magnifier, setting pin & papers, condition 1-2, property of a collector

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