Another thursday! another watch :) This week i present the Seiko 66-7100 from 1969. Information about the model: With the data from the back I can | WatchUSeek Watch Forums
Wristwatch, men, Seiko, automatic, cal 66-7100-P, steel case. Clocks & Watches - Wristwatches - Auctionet
![Seiko 66-7100 glass reference - Watch Parts, Sourcing Parts, Movements, Materials and Lubrication Products - Watch Repair Talk Seiko 66-7100 glass reference - Watch Parts, Sourcing Parts, Movements, Materials and Lubrication Products - Watch Repair Talk](https://www.watchrepairtalk.com/uploads/monthly_2023_06/794012107_Screenshot2023-06-13at03_44_40.png.dbdf22c412810b5a4735af9191df04a8.png)