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  1. Helpcenter
  2. Around the Watch & Oris
  3. Additional Know-How

Additional Know-How

  • How heavy is my watch? And how thick?
  • How water-resistant is my watch?
  • What does a helium escape valve do?
  • What makes an Oris aviation watch an aviation watch?
  • Would you recommend an Oris watch to people with a nickel allergy?
  • What is a sapphire glass?
  • What is the meaning of gold-plated?
  • Is my PVD-coated watch scratch-resistant?
  • Which luminous material do you use on dials and hands?
  • The hands and dial of my watch contain the illuminant tritium. Does this make it dangerous to wear my watch?
  • What is the difference between Super-LumiNova® C3 and Super-LumiNova® BG W9?
  • What affects the luminosity of the Super-LumiNova® in my watch?
  • What materials or usage could damage my watch?
  • Is my watch protected against shocks?
  • What is an alarm watch?
  • Is it possible to refurbish a DLC coating?
  • How accurate is the ProPilot Altimeter altitude indication?
  • Why does the altimeter scale on the ProPilot Altimeter change, even when the crown is locked?
  • How accurate is the depth gauge indication on the Aquis Depth Gauge?
  • Why is the Divers Sixty-Five listed as a diver’s watch, even thought the water resistance is only 10 bar (100 metres)?
  • Are there any Oris watches with solid rose gold hands and indexes?
  • Can I clean my watch in an ultrasonic device, which is intended for cleaning glasses and jewelry?
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