机芯是改造的。德国式的做工。黄金套筒,蓝钢镙丝,四分之三夹板。真漂亮。
附机芯介绍:The movement of the Jour et Nuit is the ML07, based on the Unitas(即ETA) 6498-1 pocket watch calibre. This is a handwound watch, the movement is a beauty to behold. 17 jewels, with an easy going 18.000 A/h. Blued steel screws, Incabloc shockprotection, polished steel pallet and escapement wheel, Triovis precision adjustment, Glucydur coiled balance wheel, Nivarox-1 balance spring, Nivaflex-1 main spring.