HEUER MASTER TIME ORIGINAL
CASEBACK STICKER AND INSTRUCTIONS
Heuer "Master-Time", No. 23639. Made between 1958-1967.
Fine, chromed dashboard clock with center-seconds meantime
8-day going clock. Accompanied by the original instructions.
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.