Sinn U18 Steel Limited Edition Men's Wristwatch
Updated August 10, 2026
| Lot number | 1232Y |
| Estimate | $9,767 - $12,697 |
| Opening bid | $4,650 |
| Category | Jewelry & Watches |
| Auction | No Reserve Lab Grown Loose Diamonds & Jewelry |
| Date | August 17, 2026 at 8:00 AM EDT |
| Auction house | Diamond Depot |
| Location | New York, New York |
Sinn U18 Steel Limited Edition Men's Wristwatch This Sinn U18 Limited Edition men's wristwatch features a case crafted from submarine U-Boat steel, offering exceptional durability and a distinctive
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