Helbros Swiss Trench Watch, Wire Lug Case, Subsidiary Seconds Dial, circa 1920s
Updated August 6, 2026
| Lot number | 0311 |
| Estimate | $10 - $200 |
| Opening bid | $10 |
| Auction | EXCLUSIVE WATCHES AND POCKET WATCHES 13 |
| Date | August 14, 2026 at 6:00 PM EDT |
| Auction house | Sphere Auctions LLC |
| Location | Sun Prarie, Wisconsin |
This is a Helbros trench-style wristwatch, Swiss made, in a wire-lug case measuring 32.69mm in diameter (as measured by caliper), typical of the trench watch styling popularized during and just after
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