The Omega 18504 watch movement, part of the Normtech movement series, has a height of 2.5 mm. It offers a long battery life, lasting up to 10 years, and includes special functionality. The movement is available in two versions: the 'Swiss Made' version with 5 jewels and the 'Swiss Parts' version with 1 jewel. It features an analog display, a sweep seconds hand, and operates using quartz technology.