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Howdy Cisco254, thank you for asking us your question about the Samsung Galaxy Watch Ultra. It is not recommended to wear the Samsung Galaxy Watch Ultra in a sauna for extended periods, despite its rugged, water-resistant design. High heat and steam can compromise its water resistance seals, damage internal components, and degrade the battery over time. Check out, "Keep your Galaxy device at its normal operating temperature" if you would like to learn what factors can impact your device. If you have additional questions for us, please feel free to reach out to Support. Thank you for being a loyal Samsung customer. - Debra
Sorry, there was a problem. Please try again later.Depends on which type of sauna and temp. If jacuzzi sauna then you should be fine. Higher temps, 120degrees or higher in either dry or humid sauna I'd play it safe and take watch off as they don't give specific operating temperature ranges to go by.
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