Meet Omega Speedmaster Moonwatch (ref. 3575.20.00), a distinctive model that balances proportion, precision, and presence. On the wrist, the case feels purposeful: measuring 42 mm in diameter, defined by a round silhouette, paired with a tachymeter bezel. The caseback is open, and the crystal is sapphire, delivering water resistance to 5000 meters. Visually, the face is where character emerges: a ivory tone, framed by stick / dot hour markers, and arrow hands. Among collectors, it is nicknamed "Ivory Moonphase". Mechanically, the watch prioritizes accuracy: the 1866 caliber. First released in 20012005. The silhouette offers presence without excess, lending confidence in a range of situations. Finishing showcases disciplined attention to detail across facets, edges, and surfaces. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.