ZENITH (El Primero Chronograph / Yellow Gold Limited Edition "700 years Swiss Confederation" ref. 30.0220.400), circa 1991 Mythical chronograph produced in a limited series of 900 pieces for the 700th anniversary of the Swiss Confederation. This piece marks the revival of the Zenith manufacture and the famous El Primero caliber. 18-carat (750 thousandths) yellow gold case with smooth bezel, square pushers and clipped back (signed, hallmarked and numbered on the dial 575, anniversary engraving on the back). Enameled dial with numbered railway track with three gold-circled counters and tachymeter scale on the flange. Functions: hours totalizer at 6 o'clock, small seconds at 9 o'clock, minutes at 3 o'clock, central chrono seconds hand and date window between 4 and 5 o'clock. Vintage lizard bracelet (Varanus spp. cites appendix IIB) with gold-plated buckle and a crocodile bracelet (Crocodylia spp. CITES appendix II B) attached. Movement: El Primero automatic mechanical caliber signed ZENITH / 400 (31 jewels) Swiss. Diam. 39mm. Condition: Very beautiful (Zenith case and original notebook)
