Zenith El Primero 01-0200-415

ZENITH REF. 01-0200-415, SELF-WINDING, CHRONOGRAPH, MINUTE AND HOUR COUNTERS, DATE, INTEGRATED BRACELET; “EL PRIMERO”, SO-CALLED “TV SCREEN” OR “FERNSHER” OR “THE BIG BLUE”; SURF STAINLESS STEEL | Important Modern & Vintage Timepieces | Monaco Auction ZENITH REF. 01-0200-415, SELF-WINDING, CHRONOGRAPH, MINUTE AND HOUR COUNTERS, DATE, INTEGRATED BRACELET; “EL PRIMERO”, SO-CALLED “TV SCREEN” OR “FERNSHER” OR “THE BIG BLUE”; SURF STAINLESS STEEL, Surf stainless steel, self-winding, square and “tonneau”-shaped, gentleman’s wristwatch, water-resistant with screwed case-back, blue colour dial with subsidiary seconds at 9, 1/10 second chronograph with tachometer scale graduated on the inner bezel for 500 units per hour, half-instantaneous 30-minute recorder, 12-hour recorder and instantaneous date of the month.