Precisioninmotion.
- Sizes 42, 44
The tourbillon ranks among the most sophisticated complications in watchmaking. While its continuous rotation contributes to a more precise rate, it also provides a fascinating visual spectacle on the dial of these Portugieser watches.
81000 calibre family
The IWC-manufactured 81000 calibre family consists of compact and precise hand-wound movements, capable of storing a power reserve of 84 hours in the mainspring. The balance oscillates at a frequency of 5 hertz (28,800 vibrations per hour).
Where time flies.
Ask watchmakers, and one thing is soon clear: their favourite complication is the tourbillon. At the same time, it is one of the most demanding.
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