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Breitling Chrono With Legendary Lemania 1873 October 4, 2011

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BREITLING’s “Moon Watch” CALIBER 11 – Special Edition Callisto Chrono B11047 (Lemania 1873 based)

Breitling limited or special edition watches carry See-through case back unlike the common models.

The movement is what makes this watch so special. The Callisto Chrono is powered by a Breitling Caliber 11 movement, which is a manual wind chronograph based on the most famous Lemania 1873 (also used by Omega for its historical “Moon Watch” Speedmaster).  It is the 12-hour version of the more well-knownCaliber 12 movement, which was used in the Breitling Cosmonaute II.   It is an integrated chronograph, with 21,600 vibrations per hour (3 Hz), and 17 or 18 jewels.

One of the particularities of this movement is the use of a “delrin” brake, which is a piece of hard synthetic material designed for stopping the chronograph wheel. It is durable and self-lubricating.

These movements are based on the legendary Lemania 1873. The Callisto Chrono uses the regular movement, whereas the Cosmonaute sports a 24-hour geared 1873 (so that the hour hand makes a full cycle in 24 hours). Those movements were used by Breitling from the 1980s, until they became unavailable in 2002.

This model “Serie Speciale Japan B11047″ apparently was specially produced for the Japanese market.  What make this version of Caliber 11 Serie Speciale so special is that it uses the same movement as the Old Navitimer Mécanique, ref A11022 – Japan 1995 (shown below as well). 

Note that its winding crown is different from the B11047 chrono, but same mechanical movement is used

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