This rare Chronosport by Helmut Sinn Regattatimer features a mechanical Lemania 5270 movement with 17 jewels, essentially a hand-wound cal.5100. The stainless steel case measures 38mm with a 14mm thickness and mineral glass crystal.
Key features:
The watch shows slight to visible signs of wear but remains functional with glass in good condition. Perfect for collectors seeking a vintage regatta timer with Swiss precision.
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