Likewise, The SafeDive procedure entails an outer circumstance (on which the outer bezel is mounted) which allows the ingress and egress of water, and an interior situation, and that is chargeable for preserving the movement. The protrusion at 9:00 properties the coupling gear system linking the inner and outer bezels. https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/