El Primero :
410

42 mm

03.2091.410/01.C494

Automatic chronograph with column-wheel and day/date/month and moonphase indicators Caliber El Primero 410: 390 components, 31 jewels and 36,000 VpH 42 mm diameter case

Movement

  • MovementEl Primero 410, Automatic
  • Caliber13¼```
    (Diameter: 30 mm)
  • Thickness6.60 mm
  • Components390
  • Jewels31
  • Frequency36,000 VpH (5 Hz)
  • Power reservemin. 50 hours
  • FinishingOscillating weight with “Côtes de Genève” pattern

Functions

    Hours and minutes in the center
    Small seconds hand at 9 o'clock
    Date at 4:30
    Full calendar display (day, date and month)
    Moonphase indicator
    Chronograph:
    30-minute counter at 3 o'clock
    12-hour counter at 6 o'clock
    Direct-drive central seconds hand
    Tachometric scale

Case, dial and hands

  • MaterialSteel
  • Diameter42 mm
  • Thickness14.05 mm
  • CrystalDomed sapphire glass with anti-reflection treatment on both sides
  • Case-backTransparent sapphire glass
  • Water-resistance5 ATM
  • Dials and countersSilver-toned sunray
  • Hour-markersRhodium-plated, faceted and coated with SuperLuminova SLN C1
  • HandsRhodium-plated, faceted and coated with SuperLuminova SLN C1

Strap and clasp

  • Strap
  • Alligator leather strap with protective rubber lining
  • Clasp
  • Steel triple folding clasp

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