18k/Steel LONGINES Lindbergh Hour Angle Cal L 628.1 Ref 628.5240 (Bezel Missing)

Reference: 628.5240 | Caliber: L 628.1 | Case Size: 38mm. Model: Lindbergh Hour Angle Watch. It has a complex dial with a rotating inner disc to synchronize the seconds hand. Missing Bezel: The yellow gold rotating bezel that should surround the crystal, which is needed for the "hour angle" calculation, is not on the watch.

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