Jefferson "Golden Hour" Electric Mystery Clock, Model 580-101, circa 1949–50s
Updated August 6, 2026
| Lot number | 0186 |
| Estimate | $10 - $300 |
| Opening bid | $10 |
| Category | Antiques & Furniture |
| 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 mid-century Art Deco/Moderne "mystery clock" made by the Jefferson Electric Company of Bellwood, Illinois, catalog no. 580-101. It's an electric clock (115V AC, 60 cycle, 2.5 watts) with a
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