For the specific 42 mm Speedmaster Moonwatch Professional reference 310.32.42.50.04.001, OMEGA lists water resistance of 5 bar (50 metres / 165 feet) and says its current watches may be worn swimming up to their model-rated depth when the water-resistance components are intact. That supports ordinary swimming with this reference in sound condition—not an assumption that every watch called a Speedmaster Professional is safe to swim with. Check your exact reference and the condition of your watch first.
What OMEGA says about swimming
OMEGA’s FAQ says a current OMEGA watch may be worn swimming up to the depth specified for that model, provided the components that ensure water resistance are intact. The cited Speedmaster Moonwatch Professional manual lists 5 bar (50 metres / 165 feet) for reference 310.32.42.50.04.001. Together, this guidance supports swimming with that specific reference when it is properly sealed and in suitable condition.
The 50-metre figure is the model’s stated water-resistance rating, not proof that an older or damaged watch remains sealed. OMEGA warns that gaskets age and that shocks to the crown can affect water resistance. The FAQ recommends following each model’s own specification rather than treating one rating as applying to all OMEGA watches.
Check the exact Speedmaster reference
“Speedmaster Professional” covers watches from different years and variants. The manual cited here is for a stainless-steel, 42 mm Moonwatch Professional on a rubber bracelet, reference 310.32.42.50.04.001. Its rating should not be assumed for another reference or generation. Find your reference on the warranty card or case documentation, or ask an authorised OMEGA service channel to identify it.
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OMEGA’s manual for reference 310.32.42.50.04.001 gives the model-specific specifications and care instructions. OMEGA’s Hong Kong FAQ provides the general swimming guidance for current watches.
Prepare the watch before swimming
- Push the crown fully in. The manual says the crown must be pushed against the case to ensure water resistance. It does not describe this reference’s crown as screw-down.
- Do not press the chronograph pushers underwater. OMEGA warns that operating pushers underwater can let water into the movement. The FAQ mentions exceptions for certain Seamaster chronographs; those do not apply to the Speedmaster covered by this manual.
- Consider the watch’s age and history. A known impact to the crown or pushers, uncertain service history, or aged seals makes the stated rating less reassuring as a guide to the individual watch’s present condition.
- Rinse after salt water. OMEGA recommends rinsing the watch with fresh or tap water after swimming in the sea.
Arrange a water-resistance check
OMEGA recommends having water resistance checked once a year at an authorised service centre because gaskets deteriorate over time and external factors or impacts can compromise sealing. An inspection is particularly prudent before swimming if the watch is older, has been struck, or has an unknown service history. A rating printed in a manual cannot confirm the condition of an individual watch’s seals today.
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Does the 50-metre rating cover diving or watersports?
OMEGA’s cited guidance supports swimming according to the model specification, subject to intact water-resistance components. It does not separately assess diving, high-speed watersports, or other high-impact water activities for this Speedmaster reference. Do not extend the ordinary-swimming guidance to those activities without reference-specific advice from OMEGA.
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