Seiko Vintage Bell-Matic Alarm 4006-7000 1975 All original for $420 for sale from a Private Seller on Chrono24
President Bracelet (Seiko Bell-Matic 4006-701x / 702x) – Uncle Straps
Seiko Bell-matic 17 Jewels Automatic Alarm Japanese Watch - Etsy
Sold at Auction: A VINTAGE SEIKO BELLMATIC WRISTWATCH; ref. 4006-6031, in stainless steel with dark blue dial, center seconds, day date, alarm functi...