This year is Zenith’s 150th anniversary and this watch is the second limited edition of 150 they have put out this year. Recently, Zenith chose to put the watch in a new titanium case to complement the rose gold version originally released. the rose gold piece edition with a new version in titanium case. The watch is far more subtle and looks more modern than the original rose gold version. The case is 45mm in diameter with a manually-wound Zenith El Primero Cal, 4810 (that of course beats at 36,000BPH). The movement is made up of 222 parts (along with 575 for the chain + fusee mechanism). If you are unfamiliar with this mechanism, basically the watch has a chain attached to the mainspring barrel which allows the spring to give an even output of power, even if the watch needs to be wound or if it is fully wound. On this particular watch, the mechanism is completely visible through the upper dial (at ~1:30). Needless to say, it's an impressive watch.
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