FS: Sinn U1 Professional LE ( 2x Erika MN strap and Sinn Rubber + Bracelet) | WatchUSeek Watch Forums
Sinn Watches - U1 S – the diving watch made of German Submarine Steel. Worn with red silicone strap strap on a 7.3” wrist, the U1 S with 44 mm case measures
![Sinn (Germany) U1 B – Ref. 1010.0102 – The Blue Diving Watch Made of German Submarine Steel On Blue Silicone – Localtime Watches, Straps & Accessories Sinn (Germany) U1 B – Ref. 1010.0102 – The Blue Diving Watch Made of German Submarine Steel On Blue Silicone – Localtime Watches, Straps & Accessories](https://gregoriades.com/wp-content/uploads/2023/03/Banner-22-jpeg.webp)