In early 2015 we were delighted to purchase this 1978 Sea-Dweller model 1665, fitted with what collectors term the “Mark 1” dial and coming with its original chronometer certificate. The Sea-Dweller was designed for saturation diving as part of an extraordinary co-operation between Rolex and the French diving company Comex which continued for many decades thereafter. Earlier versions had red writing on the dial but a “Great White” 1665 like this is also highly sought after.


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