Heuer - Pasadena - ref 750.501 - Homme - 1970-1979

Pasadena automatic Heuer chronograph, introduced in 1979. Reference: 750.501.
Valjoux 7750 movement with 3 sub-dials, with central chronograph seconds.
Date display with day of the week in German, at 3 o'clock.
Sapphire crystal. Casing diameter: 42 mm excluding crown, in steel painted in black (not PVD). Lug size: 20 mm.
Black steel strap, not branded, adjustable 20-22 cm.
From my private collection, in perfect working order in terms of charge, precision and chronograph reset. The condition of the case and strap can clearly be seen in the photos.
I don't have the service or repair history.