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This very mid-century designed dress watch represents the epitome of the period for the brand, and it's powered by a Caliber 8541 which has the legendary Pellaton winding system. This system paved the way for IWC.
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Pellaton hit upon a surprising solution: instead of putting a ball bearing or cog at the center of the rotor, he used a heart-shaped, eccentrically bearing-mounted disc. The latter converts the rotor’s revolutions into the to-and-fro movements of a rocking bar. The bar’s rocking movements are then transmitted to the winding wheel by two pawls: while one of them pulls the wheel (i.e. winds it), the other glides smoothly over the top of it until the roles are reversed.
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This movement is considered, hands down, one of the most important movements manufactured by IWC.
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The wonderful quality 34.5mm Stainless Steel Case is unpolished and boasts lovely razor sharp lugs.
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This particular IWC Dress Watch is in superb, all original condition, it comes fully serviced, ready to wear.
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The Specs
Age: c.1968.
Reference: R810AD.
Movement: Automatic with Centre Seconds and Date Wheel.
Calibre: 8541B.
Service History: Fully Serviced by John Senior May 2025.
Dial: Original IWC Factory Dial.
Crystal: Original Acrylic.
Getting Acquainted
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Bits that stand out:
- Supreme Quality Movement with Pellaton Winding System.
- Superb Condition.
- Razor Sharp Case.
Nitty Gritty:
- Some minor marks to the Case.
Overall this Dress Watch is in Superb condition.