1976 Seiko Grand Quartz men's vintage watch with moondust dial. Model reference 4840-8041 - YouTube
Grand Seiko Quartz 4840-8041, Men's Fashion, Watches & Accessories, Watches on Carousell
Vintage JDM Seiko Grand Quartz 4840-8110 From May 1977 - Etsy
Long Nguyễn Thanh on Instagram: “#SoldOut Seiko Grand Quartz 4840-8040. All original parts with good condition. The watch has been changed new battery. Price 290$ with…”
1977 Seiko Grand Quartz 4840-8110 - Birth Year Watches
Seiko] Vintage Grand Quartz - the cutting edge of watchmaking in 1975 : r/ Watches