Zenith, El Primero, ref. 02.0500.400, a stainless steel bracelet watch, circa 2000, automatic chronograph movement, 31 jewels, cal. 400, black dial, luminous Arabic numerals and triangle markers, luminous syringe hands, centre chronograph hand, subsidiary dials for constant seconds, 30 minute and 12 hour recording, date aperture between 4 and 5 o'clock, snap display case back, on a Zenith stainless steel bracelet with concealed clasp, case back, dial, movement and crown signed, accompanied by a Zenith box, guarantee card, instruction booklet and outer card packaging, diameter 37mm, bracelet 20cm