Seamaster Chronograph 176.001

Curved, brushed tonneau-cased Seamaster chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. with the caliberCaliberThe designation of a watch movement, identifying its design or movement family. 1040 (a modified Lemania 1340 with central chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. minutes and an added 24-hour indicator); offered on leather, Corfam or steel bracelet.