I visited Dubai some 38 years ago and bought two Submariners and a Perpetual Date. Popped back into the retailer last year, they were amazed I still had the receipt!

The Submariners I sold for a massive profit, enough to cover all the cost of the watches and gold I bought.

The Perpetual Date has been on my wrist ever since, a few services and a new wristband. It is totally reliable, still an accurate chronometer.

That is the Rolex advantage, total utter reliability, it is there, it is correct, it needs no special treatment. If I can survive it, so will my watch.

I had one of the six prototype Sea-dwellers for test for a couple of months. Not well made and the helium relief valve rusted as it was non stainless but it worked well but really frayed my shirt cuff.