Likewise, The SafeDive system entails an outer scenario (on which the outer bezel is mounted) which will allow the ingress and egress of water, and an internal circumstance, that's to blame for preserving the motion. The protrusion at 9:00 residences the coupling gear mechanism linking the interior and outer bezels. https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/