El Primero :
Chronomaster Grande Date

45 mm

03.2160.4047/21.C714

Opening revealing the legendary beating heart of the El Primero movement Silicon escape-wheel and lever Automatic El Primero column-wheel chronograph

Movement

  • MovementEl Primero 4047, 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

Functions

    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

Case, dial and hands

  • MaterialStainless steel
  • Diameter45 mm
  • Thickness15.60 mm
  • CrystalDomed sapphire crystal with anti-reflective treatment on both sides
  • Case-backTransparent sapphire crystal
  • Water-resistance5 ATM
  • Dials and countersBlack sunray-patterned
  • Hour-markersRhodium-plated, faceted and coated with SuperLuminova SLN C1
  • HandsRhodium-plated, faceted and coated with SuperLuminova SLN C1

Strap and clasp

  • Clasp
  • Stainless steel triple folding clasp

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