From Corum, presenting the Bubble (ref. L390/03636), a contemporary classic shaped by careful watchmaking know-how. The exterior is thoughtfully executed: crafted in titanium and measuring 52 mm in diameter, with a thickness of 20.2 mm, defined by a round silhouette, protected by pvd coating. The caseback is open, and the crystal is sapphire, delivering water resistance to 10000 meters. At a glance, the dial balances texture and clarity: a black tone, executed in brass, framed by stick / dot hour markers, and proprietary hands. Among collectors, it is nicknamed "Wire Face". At its heart beats a proven engine: the CO 390 caliber. Issued as a limited edition, appealing to focused collectors. Introduced in 2018. With considered ergonomics, it feels composed during extended wear. Brushed and polished elements play with light to emphasize crisp geometry. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.