Extremey rare Yema Sous Marine "Big Eye" 1960s cronograph with Mechanic Valjoux 7733 movement in really awesome condition, chromed case with rubber vintage strap long 23 cm. The watch is in real mint condition! With this watch you will have a very sought-after collectable object. Yema used to sell watches in the USA under the name Lejour, now that these collectors have discovered the brand from the old world you are assured of a watch that will only increase in value The Valjoux 7733 mechanical movement runs very well. The chronograph starts, stops and resets perfectly. The case measures 39 x 46 x 13 mm, excluding crown. The strap is 23 cm long The watch will be shipped insured and registered, worldwide.