Unitedwristph - FS: 73' vintage Seiko 6309-5230 military gents 17 jewels automatic cal.6309 from suwa seikosha japan all original including bracelet will fit 7" unpolished case measures 36mm x 40mm including crown
Seiko Vintage 6309-704L SUWA Dial 45mm Japanese Automatic... for $1,395 for sale from a Trusted Seller on Chrono24
Vintage Seiko 5 Automatic GP CAL. 6309 DAY-DATE 17 Jewels Diver Look Mens Watch | eBay