SINN U50 HYDRO

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Reading Time: 4 minutesThe SINN U50 HYDRO watches novleties are certified for professional diving use, thanks to rigorous testing by DNV. Their standout feature is HYDRO Technology, a special oil filling that: prevents fogging and improves underwater readability; enables 5,000m water resistance. Due to the oil filling, they use reliable quartz movements with:Continue Reading