The first photo shows an advertisement found in the Antiquarian Horology, September 1983. This is the same serial number five as depicted in the Christie's, November 25, 1998 shown in the second photo. This and the example illustrated in the author's collection are the only two known examples of this first-generation experimental chronometer.

Campiche AHS Sept 1983.jpg (374036 bytes)

Campiche ser no-5.jpg (580724 bytes)