Some watches are designed to look like they belong in space. The Konstantin Chaykin SC02C has a far more compelling claim: it has been developed for space, tested in space and worn outside the International Space Station. After four spacewalks and years of testing with Russian cosmonauts, the mechanical chronograph is now making its way to civilian wrists, limited to just 28 pieces. L... https://www.thehourmarkers.com/articles/geneva-watch-days-2026-konstantin-chaykin-sc02c