The Omega 198.0016 is a quartz movement found in certain Seiko watches. It features a sub seconds function, allowing for the tracking of seconds on a secondary smaller dial. Additionally, it includes a chronograph function, enabling the measurement of elapsed time. The movement utilizes an analog display, utilizing hands to indicate time. The date hand, which indicates the date on a separate dial, is also incorporated into this movement. Lastly, the 7T36A movement incorporates a moon-phase display, providing a graphical representation of the lunar phase.