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CARE · MAY 2026

When to service — and when to leave it alone

A movement service protects your watch. An unnecessary one costs you money and, on vintage, can cost you value. Timing is everything.

The five-to-seven year myth

Manufacturer intervals assume daily wear. A watch worn one week a month can comfortably run past those numbers if it is keeping time and holding power reserve. Service on symptoms — amplitude loss, timekeeping drift, a gritty crown — not on the calendar.

Vintage is different

On vintage pieces every service is a risk event: original parts replaced, dials cleaned, cases polished. We photograph and document before anything is opened, and we say no to polishing by default. An untouched case is worth more than a shiny one.

What a proper service includes

Full disassembly, cleaning, genuine or period-correct parts, regulation to spec, gasket replacement and a pressure test — with a written warranty. If a quote does not itemize those, ask why.

WRITTEN FROM THE TRADING DESK · WATCHGURUAE
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