With its powerful build framing a clear view of its legendary mechanism, the new Chronomaster El Primero Grande Date Full Open unveils the heart of performance and precision in the inimitable Zenith style. This self-winding skeleton-worked chronograph, equipped with a column wheel and a silicon escapement, is highlighted by a dial carved in sapphire. This modern architecture with its striking red accents is designed to be admired from both sides.
Model: Chronomaster El Primero Grande Date Full Open
El Primero 4047B, Automatic
Calibre 13¼``` (Diameter: 30 mm)
Movement thickness: 9.05 mm
Frequency: 36,000 VpH (5 Hz)
Power-reserve min. 50 hours
Finishing: Oscillating weight with “Côtes de Genève” motif
Hours and minutes in the centre
Small seconds at 9 o'clock
- Central chronograph hand
- 30-minute counter at 3 o'clock
Large date indication at 2 o’clock
Moon &Sunphase indication at 6 o’clock
Diameter: 45 mm
Diameter opening: 38.5 mm
Thickness: 15.6 mm
Crystal: Domed sapphire crystal with anti-reflective treatment on both sides
Case-back: Transparent sapphire crystal
Material: Stainless Steel or Bicolor
Water-resistance: 10 ATM
Hour-markers: Rhodium-plated or Gold-plated, faceted and coated with Super-LumiNova® SLN C1
Hands: Rhodium-plated or Gold-plated, faceted and coated with Super-LumiNova® SLN C1
Brown calfskin leather strap with protective rubber lining (27.00.2218.813)
Black calfskin leather strap with protective rubber lining (27.00.2218.810)
Metal bracelet (27.02.2530.4047)
Stainless steel triple folding clasp (27.03.0208.940)
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