Wristwatch: vintage rarity, extremely rare like new wristwatch chronometer 'Cymaflex Time-O-Vox' Ref.6525 in steel, ca. 1955: Ca. Ø34mm, stainless steel, Reference 6525, pressed back, manual winding, chronometer calibre 464 with alarm on gong, silvered dial, pink gold indexes, pink gold hands, in excellent condition, in working order, rarity in this condition. This reference was certified as a chronometer in the 1950s and was considered unique in its combination with an alarm at that time.