[WTS] Vintage 1956 IWC cal. 852 Jumbo Platinum / Iridium JDM Isomura Case Automatic Calatrava Style

Vintage 1956 IWC cal. 852 Jumbo Platinum / Iridium JDM Isomura Case Automatic Calatrava Style

This vintage IWC piece features a solid platinum case with caliber 852 automatic movement, weighing heavily due to its thick case and heavy caseback. The watch has a large dial and measures 35mm in diameter, but wears fairly large on the wrist.

  • Condition: Very good running condition per timegrapher
  • Case size: 35mm diameter
  • Thickness with crystal: 12.1mm
  • Lug to lug: 42.5mm
Posted at
Apr 11, 2026, 10:26 AM
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