AP ROYAL OAK 26240ST | FLYBACK CHRONOGRAPH | APSF
41mm | | 12.4 Thickness | Calibre 4401 Super Clone
1:1 Clone Movement with Working Flyback
904L Steel | Gen-level finishing | Screw-down pushers
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A chronograph is a watch that can measure elapsed time. It typically has three sub-dials that can be used to measure seconds, minutes, and hours.