HEUER DASHBOARD CLASSIC RALLY PAIR
Heuer "Master-Time" & "Monte-Carlo", No. 23994 & No. 17578.
Made between 1958-1967.
Two, fine, chromed dashboard clocks with center-seconds
meantime 8-day going clock and a 60-second chronograph
race timer with progressive 60-minute register and digital
12-hour register.

A) Two-body, circular on a square backplate drilled for
mounting, reeded rotating bezel, large winding crown.
Black with luminous Arabic numerals and baton
indexes, outer minute track. Luminous lozenge hands.
18```, rhodium-plated, 17 jewels, straight-line lever
escapement, monometallic balance, self-compensating flat
balance spring, shock absorber index regulator, hack feature.
B) Two-body, circular on a square backplate drilled for
mounting, reeded rotating bezel, large winding crown for
start/stop, button at 2 for reset, button at 11 for advancing
the digital 12-hour register.
Black with luminous Arabic 60-minute numerals for the
60-minute register, outer minute track with fifths of a second
divisions, aperture for the 12-hour register. Luminous
arrow and baton hands.
18```, rhodium-plated, 7 jewels, straight-line lever
escapement, monometallic balance, self-compensating flat
balance spring, index regulator.