Breitling has also been at the forefront in advancing the mechanics of the chronograph timepiece. In 1923, it was the first watch manufacturer to introduce an independent push piece for the chronograph, enabling the start and return-to-zero function (previously performed by the winding-crown). Then in 1934, Breitling added a second push piece to the chronograph enabling either cumulative or incremental time recording.
Breitling Men's A4137012-B8-444A Navitimer Montbrilliant Auto…
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