Clock-Timer CH97R11 QE
This clock-timer gives the time and measures with precision time slots between 0 and 30 minutes thanks to its time counter, and beyond that limit, thanks to the rotating sight-bar.
Its electronic crystal movement is supplied by an internal battery (access from the outside, operating time 18 months.)
Lighting according to the norm OOOAS1821:
Shade of the alphanumeric marking:
In accordance with the norms: