Amazing example of a mid-1940's Fortis Fortissimo Calatrava reference 4073 in excellent condition. This front loading container 35mm case houses a fully serviced prior to sale Fortis 250 (AS 1171) 17 jewel bumper movement with a 36-hour power reserve and is currently keeping excellent time. Original 7mm diameter unsigned jumbo crown hugs the unpolished brushed finished stainless-steel case. The beautiful thin feuille gilt hands add elegance to this military style World War II era piece. Comes on brushed finished 18mm Bonklip style bracelet and non-pictured cognac leather strap.