Catalog: Collection Octa
Company/Brand: F.P.Journe
at 30 in Collection Octa by F.P.Journe
such a way as to maintain a diameter of 30 mm and a thickness of 5,70 mm whatever ... with no index is set to oscillate at a frequency of 21 600 vibrations per ...
automatic winding calibre measuring 30 mm in diameter and 5,7 mm in thickness ... to zero by disengaging the brakes at the precise moment when it hits the ...
the dimensions of the mechanism at 30 mm in diameter and 5.7 mm thick the ... is self-adjusting for the months of 29 30 and 31 days the octa annual calendar ... it only needs to be advanced manually at the end of february three years out of ...
representing the four months of 30 days and february act on the main lever ... that advances the date twice at the end of april june september and ... the date-hand thus jumps from the 30th to the 1st as it climbs out of the ... from february 29 to march 1 it is only at the end of a february with 28 days in ...