1976 Seiko Quartz 4633-8009 Tropical Running
Updated September 15, 2026
| Lot number | 104 |
| Category | Jewelry & Watches |
| 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 |
This example carries a striking brown-to-black tropical fade dial, a feature that's actively collected on vintage Seiko quartz pieces and worth flagging up front. This is a 1976 Seiko Quartz cal. 4633 day/date wristwatch, reference 4633-8009, in a tonneau-shaped stainless steel case, signed Seiko SQ Quartz 4004, with luminous baton markers and a day/date window at 3 o'clock currently displaying THU 2. The case back is stamped Water Resistant-G, Stainless Steel. The watch is fitted with its original Speidel USA stainless steel expansion bracelet. Case diameter measures approximately 35.6mm. This is a quartz watch fitted with a new battery and is running as of the time of listing. Accuracy is not guaranteed, and no service recommendation is needed.
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