Why did Rolex introduce Arabic 3,6,9 numerals to the Explorer 1?

[AlexMalmo]

Hej everyone.

As you can all probably appreciate, since I've owned my Explorer 1 (2005) for all of 3 days now I've become utterly obsessed with it and wanted to know more.

Whilst reading up on the history of it with the Sir Edmund Hillary and Tenzing Norgay originals I just wondered if anyone knows why the 3, 6, 9 numerals were introduced?
Their original was beautiful looking without them and I just wondered if anyone knew why the change occurred?

Obviously I'm not complaining as I think it's still an amazing watch (I mean, I bought one!) but I'm just interested to know what the reasoning might have been for the change..?

Any information as to why would be greatly appreciated.

Many thanks in advance, I know there's at least one (and more than likely several!) of you out there that know the answer..




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