El Primero:
Doublematic

45 mm

18.2400.4046/01.C721

Inspired by the legendary Zenith aviation watches
Arabic numerals entirely made of SuperLuminova
Large date indication, 24-hour dual-time indication and alarm
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Variations 1/1
  • MovementEl Primero 4046, Automatic
  • Calibre13¼``` (Diameter: 30 mm)
  • Thickness9.05 mm
  • Components439
  • Jewels41
  • 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
    Alarm hour hand in the centre
    Large date indication at 2 o'clock
    Hours and minutes in the centre
    Alarm power reserve at 7 o'clock
    24-hour dual-time indication
    Alarm ON/OFF between 8 and 9 o'clock
  • MaterialRose gold
  • Diameter45 mm
  • Thickness15.60 mm
  • CrystalDomed sapphire crystal with anti-reflective treatment on both sides
  • Case-backTransparent sapphire crystal
  • Water-resistance5 ATM
  • DialSilver-toned sunray-patterned
  • Hour-markersArabic numerals in gold-plated SuperLuminova SLN C1
  • HandsGold-plated and satin-finished
  • Strap
  • Brown alligator leather strap with protective rubber lining
  • Clasp
  • Rose gold pin buckle
  • Louis Bleriot

    Louis Blériot

    Crossing the english channel

    On July 25, 1909, Louis Blériot achieved a feat crossing the Channel aboard the Blériot XI, wearing his trusty Zenith watch.

    More information

  • Swiss watch Manufacture

    Tour the manufacture

    At the heart of expertise

    The Zenith Manufacture still operates in same place where it was founded in 1865. Today it accommodates 80 watchmaking professions.

    More information


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