review
Reviving the Vacuum Chronometer: Century Mastersphere Limited‑Edition Watch Review
The review explores Century’s limited‑edition “Mastersphere” watches, which revive the brand’s historic Vacuum Chronometer technology from the 1960s and 1970s. Three steel models—each limited to 88 pieces—feature a vacuum‑sealed case that protects the mechanical movement, reduces air resistance, and enhances accuracy and power reserve.