![Seiko 6139-6012 Chronograph Automatic Water Resist Vintage Men's Watch Blue Dial – St. John's Institute (Hua Ming) Seiko 6139-6012 Chronograph Automatic Water Resist Vintage Men's Watch Blue Dial – St. John's Institute (Hua Ming)](https://i.ebayimg.com/images/g/OmUAAOSw6Tdk7MoS/s-l1600.jpg)
Seiko 6139-6012 Chronograph Automatic Water Resist Vintage Men's Watch Blue Dial – St. John's Institute (Hua Ming)
![SEIKO - Cronografo in acciaio automatico con giorno e data ref 6139-6012 con cassa tonneau - Auction Watches | Timed Auction - Cambi Casa d'Aste SEIKO - Cronografo in acciaio automatico con giorno e data ref 6139-6012 con cassa tonneau - Auction Watches | Timed Auction - Cambi Casa d'Aste](https://imageapi.cambiaste.com/api/lotto/immagine/248153/0/600.jpg)
SEIKO - Cronografo in acciaio automatico con giorno e data ref 6139-6012 con cassa tonneau - Auction Watches | Timed Auction - Cambi Casa d'Aste
![Near NOS Seiko Automatic Chronograph vintage watch, 6139-6012, in stunning original condition!! not restored. Near NOS Seiko Automatic Chronograph vintage watch, 6139-6012, in stunning original condition!! not restored.](https://cdn11.bigcommerce.com/s-yw6e0dlz3i/images/stencil/500x659/products/638/19637/_MG_2332__16005.1589911525.1280.1280__74338.1597308609.jpg?c=2)