Sapphire crystal Glass Anti-Reflection Coating Screw see-through caseback with crystal Water resistant 100m Approximate Measurements Case diameter 44 mm Case Thickness 12mm ORIENT caliber 40S62 Made in Japan Self-winding with Hand winding mechanism (Second hand halt mechanism) Vibrations : 21600/hour vibrations Daily accuracy : +25....15 sec/day Running time : More than 40 hours 24 jewels Power reserve indicator |