Heuer Daytona Chronograph - NOS Travel featured the robust calibre 1040

featured the robust calibre 1040 with date

the Reference 1680 Submariner was the physical manifestation of a whole wave of exploration and adventure under the sea

particularly of the Heuer (pre-TAG) variety

This particular timepiece was produced for Gübelin in the mid 50s

Heuer Daytona Chronograph - NOS Travel featured the robust calibre 1040In the 1960s and 1970s, no brand was more prominent in motorsports timing than Heuer (Pre Tag). And for every home run timepiece design (Carrera, Monaco, Autavia), there was something else that never really caught on, and ultimately was a short lived side note. These pieces, despite being relatively unsuccessful, are all very interesting, and have become highly sought after by collectors world wide. One such example of "failed" Heuer design is known