Pieter on Twitter: "Seiko 3863 movement: https://t.co/wjGKuhvv7v" / Twitter
Seiko Quartz QR 3863-8000 (Sold)
Another early Seiko quartz resurected | The Watch Site
Very early Seiko quartz 3003. 3863-5009. Comes with original box and tag. Fully serviced, new seals / crystal / battery. … | Seiko watches, Seiko, Bracelet watch
Seiko - Rare vintage Seiko JDM QR Quartz 3003 day date ref.... für 187 CHF kaufen von einem Privatverkäufer auf Chrono24
FS: NOS Seiko 3863-8000 - $749 | The Watch Site
Seiko QR Vintage Quartz 3863 Green Dial, Cut Crystal, 7J, all... for $129 for sale from a Private Seller on Chrono24