Clasp: Fold Over Clasp. The clasp from the watch to make it easier and faster for the person to open up and fold the situation about to help keep it secure. The precision of each motion – formally certified for a chronometer by the Swiss Official Chronometer Tests Institute (COSC) https://buymensluxurywatchesonlin39380.elbloglibre.com/37939872/indicators-on-rolex-submariner-2015-you-should-know