CHRONOMASTER SPORT

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Automatic El Primero column-wheel chronograph able to measure and display 1/10th of a second 1/10th of a second indication on the ceramic bezel Increased power reserve of 60 hours Date indication at 4:30 Stop-second mechanism Ref 03.3100.3600/21.C822 KEY POINTS Automatic El Primero column-wheel chronograph able to measure and display 1/10th of a second 1/10th of a second indication on the ceramic bezel Increased power reserve of 60 hours Date indication at 4:30 Stop-second mechanism MOVEMENT Name El Primero 3600 Auto/manual Automatic Family El Primero Calibre 13¼``` (Diameter: 30 mm) Thickness 6.6 Components 311 Jewels 35 Frequency 36,000 VpH (5 Hz) Power-reserve approx. 60 hours Finishes New star-shaped oscillating weight with satined finishings FUNCTIONS Hours and minutes in the centre Small seconds at 9 o'clock 1/10th of a second Chronograph: - Central chronograph hand that makes one turn in 10 seconds - 60-minute counter at 6 o'clock - 60-second counter at 3 o'clock CASE, DIAL & HANDS Diameter 41 mm Diameter opening 31 mm Thickness 13.60 mm Crystal Domed sapphire crystal with anti-reflective treatment on both sides Case-back Transparent sapphire crystal Show more