Grand Seiko GS56 Hi-Beat Automatic VWS-1782 - Vintage Watch Services
Amazon.com: SEIKO SBDC167 [[PROSPEX Diver Scuba 1970 Mechanical Divers Contemporary Design Save The Ocean Model Men's Metal Band] Watch Shipped from Japan Released in June 2022 : Clothing, Shoes & Jewelry
1970 Seiko Automatic (Ref. 6106-7117)
SEIKO PROSPEX 1965/1970 Diver's Modern Re-interpretation | Seiko Watch Corporation
A Seiko 5 Sports 7019-6030 from May 1970 | Adventures in Amateur Watch Fettling