Frankfurt
1 manufacture in this region of Germany.
Browse all 7 Frankfurt references →
One watchmaking address in Frankfurt: Sinn in Frankfurt am Main.
Brands in Frankfurt
Founded by the pilot and flight-instructor Helmut Sinn in Frankfurt am Main as a maker of pilot and navigation chronographs; sold to Lothar Schmidt in 1994, who introduced the Ar-dehumidification, tegimented case-hardening, and submarine-steel technologies the brand is now known for.