A shaped case with a distinctly technical profile
The 642.CI.0170.RX is built around the Spirit of Big Bang's barrel-shaped 42mm silhouette. The black case, skeleton chronograph display and six H-shaped screws give the watch a strong graphic outline, while the titanium and resin construction keeps the case architecture visibly layered rather than flat.
That shape is the main buying decision. A round Big Bang Unico will feel more familiar and conventional on the wrist; this Spirit of Big Bang is for the buyer who wants the case itself to be part of the conversation. The black treatment keeps the unusual profile controlled, so the watch reads technical instead of ornamental.
















