Chronoscaph 21 chronograph wrist watch. Stainless steel case with chapter ring bezel. Reference 2424, serial 883571LX. Signed quartz calibre 372 with quick date set. Silvered dial with baton hour markers, subsidiary recorder dials to two, six and ten, date aperture to four. Fitted to a signed bi-material strap with stainless steel deployant clasp. 38mm. Box and papers.