IMHO, there are two alternatives :
1) track down original components to build a period correct watch : obviously, difficult and costly, probably costing more than an original watch bought as is. You will likely end up with a 10k+ parts watch, not very satisfying.
2) just use a modern service dial and handset to build an Ed White lookalike. Franken? Yes! But more interesting than a modded FOIS, it will still be a very good watch for a fraction of the price of option 1)
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