Zenith G. F. J. Lady Datejust Slender hands and applied indices

Slender hands and applied indices ensure clear legibility

Reference PAM01640 combines the most compact Luminor case with a second time zone

The dial is presented in blue

The octagonal bezel with its eight visible screws follows Gérald Genta's 1972 design

Zenith G. F. J. Lady Datejust Slender hands and applied indicesZenith G. F. J. (Reference 40. 1865. 0135 51. C200) The G. F. J. bears the initials of Georges Favre Jacot, who founded Zenith in 1865. It marks the manufacture's 160th anniversary and is produced as a limited edition. At its heart is calibre 135 a movement that claimed a series of victories at the Neuchtel Observatory chronometry competitions in the 1950s. It operates at 18,000 vibrations per hour, a low frequency by today's standards that gives the