Thomas' Timepieces - Seiko time with this gents automatic Seiko Sportsmatic Sea horse on original band, with the 'waterproof' marking on the dial, predating the now requisite 'water resistant' wording. Calibre no.
Seiko Diver 62MAS Reference 6217-8001
60's Seiko Sea Horse Date — Cool Vintage Watches
Sold at Auction: Vintage Seiko automatic waterproof 17 jewels gentleman's watch, Seiko Sportsmatic, model 801151 stamped to rear, in running order, vintage Lizard Calf band.
Vintage Seiko Automatic 17 Jewel Movement No 7005-8062 Men's Wrist Watch - Etsy
SoldOut Seiko Sea Horse hand winding Waterproof Diashock 17 jewels, Cal.66-8980. All original parts with good condition. OH already (… | Instagram
Authentic Seiko Men's Manual Wind 66-8040 Gray Dial Rare Mint Original Vintage | eBay
Seiko - Waterproof 17 jewels japan 66-7830T - 9D3979 - Men - 1970-1979 - Catawiki
60's Seiko Sea Horse Date — Cool Vintage Watches
Seiko SZ Men's Automatic 17 Jewels Blue Dial Stainless Steel Watch 387 – ELI ADAMS JEWELERS
Vintage SEIKO Braille 17 Jewel 6602-8040 Wrist Watch " Very Hard To Find " | eBay
VINTAGE SEIKO 17J DATE AUTO WATERPROOF 7625-8033 MENS WATCH. | WatchCharts