
The sapphire caseback reveals the Caliber 8906, a “Master Co-Axial” caliber able to withstand magnetic forces of up to 15,000 gauss. If you look closely you will also notice the words ‘Naiad Lock’ printed on the wave-edged, screw-in case back. This refers to a patented ceramic lock developed by Omega that is designed to keep the engraved wording correctly aligned.
Omega Seamaster Planet Ocean Big Blue with a blue rubber strap with contrast orange stitching and orange edges.It is treated with an anti-bacterial coating and features a wave pattern on the underside. Closing it on to your wrist is a – not surprisingly – blue ceramic fold-over clasp.