The outermost ring is the
link conventional dial portion complete
link with applied markers the Omega logo and accompanying dial text. The two inner rings are used to set the alarm function. There's even a pusher on the side of the 41.5mm-wide case used to operate a quickset date. The crown
link is positioned at 430. The watch utilizes Omega's caliber 980 that allows the alarm to be set a precise minute the competition such as the JLC only allows approximate time-setting capabilities.