Keystone Standard Watch Company 18s-15j dustproof
Updated September 18, 2026
| Lot number | 84 |
| Auction | Aument Vintage Watch Auction |
| Date | October 17, 2026 at 2:00 PM EDT |
| Auction house | Horst Auctioneers |
| Location | Ephrata, Pennsylvania |
model 3 (SW-LS) pocket watch #314975 with double sunk celluloid dial signed “Keystone Watch Co.” in chromed base metal case
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