Series: Zeitwerk. Collectors owned A. Lange & Sohne Zeitwerk Jump Hour Gent's watch, Model # 140.029. 18k white gold 41.9 mm case. Hand-stitched black crocodile strap with 18k white gold buckle. Black colored dial with jumping hours at 9 o'clock position, jumping minutes at 3 o'clock position, small seconds at 6 o'clock sub-dial, power reserve indicator at 12 o'clock position.
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