Seiko 5Y66-0AC0 R2 Water Resistant Quartz Japan Movement Men's Watch 35mm. | WatchCharts Marketplace
Seiko Seiko 5y66-oaro | Grailed
Sold at Auction: A Vintage Seiko 5Y66 Quartz Chronograph Gents Watch. Black leather strap. Stainless steel case - 40mm. Black dial with three sub dials. In good condition and working order.