PIAGET Ultra-Thin Wristwatch, Ref. 931 C4, 18K White Gold, Caliber 9P, 1963
Updated August 6, 2026
| Lot number | 0005 |
| Estimate | $7,500 - $12,500 |
| Opening bid | $500 |
| Category | Jewelry & Watches |
| Auction | Authentique Lux: Luxury Icons |
| Date | August 13, 2026 at 9:00 PM EDT |
| Auction house | Authentique Lux |
| Location | Boerne, Texas |
HeritageManufactured in 1963 — serial number 93914 — this Piaget reference 931 C4 is a rare survivor from the Maison's most celebrated era. Piaget's ultra-thin movement program, launched
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