The four videos serie about Roger Dubuis calibres goes on with this second video about the architecture of the RD820SQ skeleton calibre.
The RD820SQ calibre is the first self-winding skeleton watch to emerge from the Manufacture. Each of the 167 parts composing the mechanical movement is individually hand-finished. The RD820SQ calibre beats at 4 Hz (28,800 vph) and offers a 60-hours power reserve.
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