Sinn Watches - Sinn Spezialuhren 917 GR – the Rallye Chronograph. Worn with solid bracelet on a 7.3" wrist. The 44 mm case measures 51.5 mm from lug to lug (12-6). Find
![Sinn participated in the Lake Constance Classic Car Rallye. The Sinn drivers wore their 917 GR watches during the three day rallye. | Classic cars, Sinn, Lake Sinn participated in the Lake Constance Classic Car Rallye. The Sinn drivers wore their 917 GR watches during the three day rallye. | Classic cars, Sinn, Lake](https://i.pinimg.com/736x/db/9d/41/db9d41e213b6fbf7e9bc8c8ad6234c54--three-days-lakes.jpg)
Sinn participated in the Lake Constance Classic Car Rallye. The Sinn drivers wore their 917 GR watches during the three day rallye. | Classic cars, Sinn, Lake
![Sinn 917 Der Rallyechronograph Stahl Automatik Herrenuhr Ref.... for ฿112,069 for sale from a Trusted Seller on Chrono24 Sinn 917 Der Rallyechronograph Stahl Automatik Herrenuhr Ref.... for ฿112,069 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/27662550-cb8s0oywk45nm18a84da4juq-ExtraLarge.jpg)