Chrome plated Bullshead case with the chronograph pushers and winding crown at the XII position, screw-down stainless steel case back The black dial with outer tachymeter calibrations, twin auxilary registers, date square at III and signed 'Sicura Chronographe 17 Jewels Incabloc'Hand wound Valjoux Calibre 7734 chronograph movement has been fully cleaned and servicedOne year guaranteePlease note that we do not guarantee the water resistance of any watch sold The majority of Sicura watches were fitted with plain low grade pin pallet movements like the EB Calibre 8240 however, this example has the original Valjoux 7734 movement used by the premium watch brands at that timeSicura was a company owned by Ernest Schneider, specializing in big sport watches of innovative design in the 60s – 70s. Ernest Schneiderwas able to purchase Breitling when it went into receivership in 1979 and was the owner until 2017