Melvyn Ng on Twitter: "Vintage Automatic Watch Brand : Seiko 5 Model : 7009-6030 Movement : 7009 Automatic Japan Size : 404 mm (H) x 369 mm (B) 17 Jewels With Day / Date Japan Made https://t.co/Jj93bAUycK" / Twitter
REVIEW: 5126-6030 “The Double Hurricane!” | The Watch Site
Seiko 5 Sports 5126-6010 from May 1969 | Adventures in Amateur Watch Fettling