Muhle ProMare Lady Bedienungsanleitung Seite 23

Above all, only watches that are actually water resistant at the rated
compressive strength are suitable for swimming and diving.
We recommend that you have the water-resistant quality of your watch
checked every 2 years (or annually in case of frequent use in water).
Recommendations for use in water:
Permitted activities at a
pressure (bar/atm) of:
Washing your hands, splashes
Swimming, showers and baths
Snorkelling and diving
5 10 30+
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