Seiko 5Y66-0AC0 - men's wristwatch - 2nd half of the 20th Century - Catawiki
Seiko Mens stainless sapphire crystal black dial wristwatch 5Y66-0AA0 | eBay
Seiko Watch Strap SNT007 Black Leather
Seiko 5Y66-0AB0 | FINN torget
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.