This Heuer Monza 150.511 is very rare formula 1 watch produced in mid 70s, more precise the Monza was presented to Niki Lauda for his F1 world title in 1975. Afterwards the watch came on the market.
The early Monza watches were powered exclusively by Heuer’s Calibre 15, this movement have running seconds at the 10 o’clock position and a 30-minute register at 3 o’clock. The movement is the automatic with hidden rotor. It is the improved version of the legendary caliber 11 of Heuer.
The Monza is one of the few 1970s Heuers to have its model name engraved on the case back.
Everyone would like a watch like this, fantastic and very desirable piece.