1920s Hallmark Swiss 3 Adj 15j Manual Watch
Updated September 15, 2026
| Lot number | 310 |
| Auction | Vintage watches Omega,Bulova,Hamilton and more |
| Date | September 30, 2026 at 5:00 PM CDT |
| Auction house | Sphere Auctions LLC |
| Location | Sun Prairie, Wisconsin |
Vintage 1920s Hallmark transitional mechanical wristwatch/pendant watch featuring a gold-tone base metal round case, an integrated top bow loop, a lower wire strap lug, and a solid snap-on caseback stamped internally with the name HALLMARK and case serial number 10926426. The original aged, champagne-toned dial displays an outer railroad minute track ring, bold stylized black Arabic numeric hour indices, a lower dial callout reading SWISS, matching open skeleton-style hands, and a prominent upper brand signature reading HALLMARK. The watch is powered by a high-grade Swiss-made, manual-wind movement explicitly signed HALLMARK SWISS, equipped with a 15 jewels layout and an adjusted 3 positions (3 ADJ) configuration balance bridge assembly, paired with a vintage gold-tone expandable snake-link style stretch bracelet.This mechanical watch is not running, a professional service is required to operate, and extended runtime without service is not guaranteed.
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