The present watch, a stainless steel
openface watch with one minute
tourbillon regulator was manufactured
in 1924, mounted in a yellow gold case
bearing the case number 416638 and
sold on October 22 1935. The watch was
entered for the Geneva Astronomical
Observatory for the timing contest on
February 3 1931, where it was awarded
the first prize.
The movement is Extra quality and
stamped twice with the Geneva seal, and
the movement number is signed twice
as with all Obser fF