Sinn watch 917 gr the rally bracelet
Sinn watch 917 gr the rally bracelet 917010 bracelet this instrument chronograph from the 917 range has been designed to provide extremely accurate measurements particularly useful during rallye races the movement is both shock resistant and protected from magnetic influences a dehumidifying capsule protects the mechanism from fogging additional useful functionalities include a power reserve indicator an easy to read countdown bezel a date window at 4 o clock high and low pressure resis