CHRONOMASTER EL PRIMERO ORIGINAL 1969

A living legend among chronograph movements, the El Primero was introduced in 1969 as the world’s first high-frequency automatic chronograph movement. Today, its story continues in several variations of the coveted caliber. ZENITH CHRONOMASTER EL PRIMERO  03.2040.400/69.C494 El Primero 400B Automatic 13 1⁄4 ligne 36,000 VpH (5 Hz) 50 hours power reserve Oscillating weight with “Côtes de Genève” motif Hours and minutes in the center small seconds at 9 o'clock Chronograph: Central chronograph hand 12-hour counter at 6 o'clock 30-minute counter at 3 o'clock Tachymetric scale Date indication at 6 o'clock Stainless steel 42 mm case, 12.75 mm thickness Domed sapphire crystal with anti-reflective treatment on both sides Transparent sapphire crystal Silver-toned sunray-patterned dial with three different-colored counters Rhodium-plated, faceted and coated with SuperLuminova SLN C1 [Hour markers] Rhodium-plated, faceted and coated with SuperLuminova SLN C1 [Hands] Brown alligator leather strap with protective rubber lining