Authentic Seiko Sportsmatic Diashock 21 Jewels Day Date 6619-8090 Vintage Watch | eBay
Seiko Sportsmatic 5, fluted bezel, from 1966, serviced 21... for $265 for sale from a Trusted Seller on Chrono24
Seiko Crown Diashock 21J – Vintageseikowatch.com
Long Nguyễn Thanh on Instagram: “Seiko 5 Sportsmatic Diashock 21 Jewels. Cal.6619-8110 day date. All original parts with good condition. OH already ( serviced ). Price…”