HEUER REF. 150.501 MONZA AUTOMATIC
CHRONOGRAPH BLACK CHROME PLATED
Heuer "Monza" Automatic Chronograph, case No. 383360,
Ref. 150.501. Made in the 1980s.
Fine, tonneau-shaped, self-winding, water-resistant, black
chrome plated (restored) wristwatch with round button
chronograph, registers, tachometer and date.
Two-body, black chrome plated, screwed-down case
back, flat bezel, winding crown at 9.
Black with applied luminous baton indexes, outer
1/5th seconds track and tachometer scale to 200 UPH,
subsidiary dials for the 30-minute and 12-hour registers,
aperture for the date at 6. Luminous white and black
Cal. 12, gilt brass, 17 jewels, straight-line lever
escapement, monometallic balance, shock absorber,
self-compensating flat balance spring.