Dial marked “Fortis/Incabloc/Swiss made”, steel case No. 4537, black leather strap, functional,
Case diameter: approx. 17 mm;
Band length: approx. 20 cm.
Dial marked “Fortis/Incabloc/Swiss made”, steel case No. 4537, black leather strap, functional,
Case diameter: approx. 17 mm;
Band length: approx. 20 cm.