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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →There is no single service interval for every mechanical watch. Start with the current guidance for your exact brand and movement: the manufacturers cited here recommend intervals ranging from about three years to approximately ten years, depending on the brand and, in some cases, model and use. Treat those intervals as recommendations—not guarantees that a watch will not need attention sooner or is safe to wear in water.
Manufacturer service intervals differ
These are manufacturer recommendations, not universal standards or statistical averages. Model applicability and market can matter, so check the manual and current local guidance for your watch.
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| Brand | Published guidance | Scope and qualification |
|---|---|---|
| Seiko | Once every three years | Seiko’s U.S. FAQ recommends examination, cleaning and oiling where needed. Seiko FAQ |
| Grand Seiko | Approximately every three to four years | An official instruction document recommends periodic inspection and adjustment by disassembly and cleaning; confirm it applies to your exact model. Grand Seiko instructions |
| Omega | Every five to eight years | This interval appears on Omega’s Hong Kong service page; confirm current local and model-specific guidance. Omega service guidance |
| Rolex | Approximately every ten years | Rolex says the interval depends on model and real-life usage. Rolex service FAQ |
For your own watch, use the manufacturer’s current instructions for its specific model and movement rather than choosing an interval from another brand’s guidance.
When to seek service before the scheduled interval
A calendar recommendation cannot diagnose an individual watch. Lubricants can age, parts can wear, and shocks can affect components or sealing. Arrange an assessment by an appropriate service provider if the watch stops, its timekeeping changes noticeably, it has suffered a significant impact, or you suspect moisture has entered it. Seiko discusses these potential issues in its mechanical-watch care guidance.
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Water-resistance checks are not the same as a movement service
Water resistance can deteriorate as seals age or after damage. Omega recommends an annual water-resistance check in the cited guidance, while Seiko advises regular checking without setting the same annual interval. Rolex describes water-resistance checks as part of complete service, but the cited FAQ does not specify a separate annual schedule. Follow the guidance for your own watch, and have its resistance checked before relying on it in water if its status is uncertain.
What a complete service involves
The exact work depends on the watch and service provider. Rolex describes a complete service as disassembly, ultrasonic cleaning, inspection, replacement of parts that fail its functional and aesthetic specifications, lubrication, electronic timing tests, and technical checks that include water resistance, power reserve and precision. Seiko’s service explanation also describes disassembly, cleaning, inspection, lubrication, attention to worn parts and water-resistance checks. These are professional tasks; the guidance does not support opening or lubricating a movement at home.
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What you can do between services
For occasional exterior cleaning, Rolex recommends a microfiber cloth. That is surface care, not a substitute for movement service. Follow your watch’s own instructions before using water, soap or a brush—especially if its seals are old, damaged or of uncertain condition. Rolex watch-care FAQ
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