40-jewel Cal.6.1695 automatic chronograph movement, black dial with applied luminous faceted baton and square hour markers bordered by outer minute track with five minute divisions, steel hands with luminous inserts, steel chronograph hand with underlying white split time hand, subsidiary dial at 3 for 30 minute recording and a subsidiary dial at 9 for eighth of second recording, polished and brushed round case with back secured by six steel screws, screw down crown with split time pusher flanked on either side by start/stop and reset chronograph pushers, fitted maker's leather strap, together with fitted maker's box, outer card and papers, case, dial and movement signed 41mm.