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Chronomaster:
El Primero Grande Date Full Open - 45.00

45 mm

03.2530.4047/78.C813

Opening revealing the legendary beating heart of the El Primero movement
Silicon escape-wheel and lever
Automatic El Primero column-wheel chronograph with large date
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Variations 1/1
  • MovementEl Primero 4047B, Automatic
  • Calibre13½``` (Diameter: 30.50 mm)
  • Thickness9.05 mm
  • Components332
  • Jewels32
  • Frequency36,000 VpH (5 Hz)
  • Power reservemin. 50 hours
  • FinishingOscillating weight with “Côtes de Genève” motif
    Chronograph:
    - Central chronograph hand
    - 30-minute counter at 3 o'clock
    Large date indication at 2 o'clock
    Hours and minutes in the centre
    Small seconds at 9 o'clock
    Tachymetric scale
    Moon & sunphase indication at 6 o'clock
  • MaterialStainless steel Steel
  • Diameter45 mm
  • Thickness15.60 mm
  • CrystalDomed sapphire crystal with anti-reflective treatment on both sides
  • Case-backTransparent sapphire crystal
  • Water-resistance10 ATM
  • DialSapphire
  • Hour-markersRhodium-plated, faceted and coated with SuperLuminova SLN C1
  • HandsRhodium-plated, faceted and coated with SuperLuminova SLN C1
  • Strap
  • Black Calfskin leather strap with protective rubber lining
  • Clasp
  • Stainless steel triple folding clasp
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