IWC Schaffhausen
IWC Big Pilot’s Watch Perpetual Calendar ProSet Le Petit Prince Steel IW329601
IW329601
The blue-dial Big Pilot combines a 42 mm steel case with a calendar that adjusts forwards and backwards through the crown.

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Specifications
| Reference | IW329601 |
|---|---|
| Style | pilot |
| Movement | automatic |
| Calibre | 82665 automatic; Pellaton winding |
| Diameter | 42 mm |
| Power reserve | 60 hours |
Omitted specifications have not been confirmed. From published article 2026-11-02. Original source ↗
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