El Primero Chronomaster Grande Date El Primero 45 mm
El Primero 410 El Primero 42 mm

El Primero:
Lightweight

45 mm

10.2260.400/69.R573

El Primero 400 caliber in titanium: 25% less weight than a classic El Primero caliber
The lightest chronograph caliber on the market: 15.9 g
Limited edition of 250 pieces
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  • MovementEl Primero 400B Titanium, automatic
  • Caliber13 ½```
    (Diameter: 30 mm)
  • Thickness6.60 mm
  • Components328
  • Jewels31
  • Frequency36,000 VpH (5 Hz)
  • Power reservemin. 50 hours
  • FinishingOscillating weight with “Côtes de Genève” pattern decorated with the Spindrift logo
    Hours and minutes in the center
    Small seconds hand at 9 o'clock
    Date at 6 o'clock
    Chronograph:
    Central seconds hand
    30-minute counter at 3 o'clock
    12-hour counter at 6 o'clock
  • MaterialAluminum and Carbon
    Titanium pushpieces and crown
  • Diameter45 mm
  • Thickness13.20 mm
  • CrystalDomed sapphire glass with anti-reflection treatment on both sides
  • Case-backTransparent sapphire glass
  • Water-resistance10 ATM
  • Dials and countersSkeleton with 3 color-counters
  • Hour-markersRhodium-plated, faceted and coated with SuperLuminova SLN C1
  • HandsRhodium-plated, faceted and coated with SuperLuminova SLN C1
  • Strap
  • Nomex-coated black rubber strap
  • Clasp
  • Black PVD triple folding clasp