If there was a tougher watch produced in the late 50’s through to the late 70’s then I don’t know about it.
The company that produced Certina came into existence 1888. The first Certina branded watch was marketed in 1939. For the next 40 years Certina became renowned for producing quality, well engineered movements with a finish that was second to none.
Certina released the DS (Double Safety) in 1958 and the DS2, style changes with some minor technical changes, in 1968.
This DS2 is circa 1970. Everything about it was tough; big solid stainless case, double sealed crown, extra thick perspex glass, very thick back with a solid O ring seal. But its big point of difference was a thick rubber shock absorbing ring that suspended the movement inside the case allowing it to move in all directions in the case of a shock. It was virtually break proof.
At a time when few people had more than one watch, a watch with “all round” characteristics was the norm. An Omega Constellation was perfect for the professional who could, first of all afford it, was smart enough to wear it at the office, robust and water resistant enough for playing tennis or while boating, won’t get damaged in the garden and elegant enough for formal social functions. The DS was so robust (much more than Constelation) that it came at the expense of elegance and therefore did not suit the above mentioned professional.
This watch was perfect for the tradie or farmer. But there were two problems; most tradies couldn’t afford a DS and the farmers who could afford one preferred the name Omega or Rolex.
So the DS was catering for a very small segment of the market but, being in production for 20 years with very few modifications, cements this excellent watch as one of the all time greats.