Chronograph 7413

A steel Longines flyback chronographFlyback chronographA chronograph whose reset pusher can be pressed during timing to return the hands to zero. A new measurement begins when the pusher is released, without a separate stop operation. reference documented with round pushers and calibreCaliberThe designation of a watch movement, identifying its design or movement family. 30CH. The maker’s serviced specimen is identified as 7413 without a case suffix; it is kept separate from photographed 7413-6 and 7413-9 records.