The 1940s edition (from left to right):
Sea = Aquasport, circa 1941;
Air = flieger, circa 1940;
Land = CH27.41H chronograph with tachymeter scale, circa 1945
View attachment 971501
The 1950s edition (from left to right):
Sea = Seastar, circa 1958;
Air = Navigator worldtimer, circa 1953;
Land = chronograph with tachymeter and telemeter scales, circa 1955
View attachment 971505
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