Furthermore, The SafeDive procedure involves an outer circumstance (on which the outer bezel is mounted) which lets the ingress and egress of water, and an inner situation, which can be chargeable for shielding the movement. The protrusion at 9:00 residences the coupling equipment mechanism linking the interior and outer bezels. https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/