Rolex Explorer timegrapher question

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All good info, so thanks again, but I still wonder about my last question: with these particular amplitude/beat error readings, can someone speak to the specific risks of not servicing it and waiting for things to get worse? Eg is it possible that the balance wheel/spring (or some other part) could become damaged, and then the service may end up costing more due to needing to replace those parts? Perhaps @Archer? Cheers,
Clearly the amplitude is low, and the oils have either dried up or deteriorated to some extent. So from a purely technical point of view, the watch is in need of service, and delaying that can mean that various parts will be worn and require replacement. This could be anything from train wheels, automatic parts, balance staff…

But that doesn’t mean you need to rush it off to be serviced…

Are you planning on sending this to Rolex? If so, then your risk is basically zero. Parts needed will be included in the service price when wear is the issue. The caveat to this is if the watch leaks and water gets inside…that is a cost you will bear for everything that is water damaged.

If you plan to use a local watchmaker, then they will have to replace those worn parts, and typically that is a cost over and above the labour cost. So the answer really depends on who you use.