1970 Seiko Bell-Matic Mechanical Alarm Watch
Updated August 9, 2026
| Lot number | 64 |
| Category | Jewelry & Watches |
| Auction | Vintage watches Omega,LaCoulture,Bulova,Hamilton and more |
| Date | August 20, 2026 at 10:00 AM CDT |
| Auction house | Sphere Auctions LLC |
| Location | Hernando, Mississippi |
The watch is sold as-is in current condition. The watch is working but timing & accuracy is not tested. // Up for sale is a premier piece of Japanese horological history: an original vintage April 1970 Seiko Bell-Matic automatic mechanical wrist alarm watch (Model 4006-6010). This prestigious flagship collector's model features an exceptionally striking silver dial detailed with a rich linen texture that catches the light beautifully. This listing showcases the original factory all-stainless steel screw-down case back, which proudly carries the highly collectible, early-production "WATERPROOF" factory stamping alongside its authentic production serial number 040959. // Brand: Seiko // Model Line: Bell-Matic Flagship Series // Reference Number: 4006-6010 // Production Date: April 1970 // Production Division: Suwa Seikosha // Movement: Japanese Automatic Mechanical (Self-Winding with Rotor Alarm) // Jewel Count: 17 Jewels // Case Text style: Early "WATERPROOF" Stamping // Case Material: Stainless Steel Cushion Case // Serial Number: 040959 // Band Material: Textured Tan/Brown Leather Strap
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