Tiffany & Co. Eternity 28mm Diamond Watch, 18K Rose Gold, Black Dial, Full Set, 2026
Updated September 4, 2026
This auction ended on September 15, 2026.
See upcoming auctions from Authentique Lux or current jewelry & watches auctions.
| Lot number | 0031 |
| Estimate | $20,000 - $28,000 |
| Opening bid | $1,000 |
| Category | Jewelry & Watches |
| Auction | Authentique Lux: Iconic Timepieces & Jewelry |
| Date | September 15, 2026 at 8:00 PM EDT |
| Auction house | Authentique Lux |
| Location | Boerne, Texas |
Heritage The Tiffany & Co. Eternity watch is among the most jewel-forward expressions in the house's storied watchmaking tradition ? a piece that exists at the precise intersection of haute

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