El Primero Espada El Primero 40 mm
El Primero Stratos Flyback El Primero 45.5 mm

El Primero:
Stratos Flyback

45.5 mm

51.2061.405/75.R516

Zenith military chronograph legacy
Automatic column-wheel chronograph with flyback function
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  • MovementEl Primero 405 B, Automatic
  • Caliber13¼```
    (Diameter: 30 mm)
  • Thickness6.60 mm
  • Components331
  • Jewels31
  • Frequency36,000 VpH (5 Hz)
  • Power reservemin. 50 hours
  • FinishingOscillating weight with “Côtes de Genève” pattern
    Hours and minutes in the centre

    Small seconds hand at 9 o'clock

    Telemetric scale

    Date indication at 6 o'clock
    3-counter chronograph with flyback function:

    Central chronograph hand

    30-minute counter at 3 o'clock

    12-hour counter at 6 o'clock
  • MaterialSteel case with rose gold crown and push-pieces
    Unidirectional rotating bezel with rose gold disk
  • Diameter45.5 mm
  • Thickness14.10 mm
  • CrystalDomed sapphire glass with anti-reflection treatment on both sides
  • Case-backTransparent sapphire glass
  • Water-resistance10 ATM
  • Dials and countersBrown
  • Hour-markersFaceted, gold-plated and coated with SuperLuminova SLN C1
  • HandsFaceted, gold-plated and coated with SuperLuminova SLN C1
  • Strap
  • Rubber strap
    Steel and rose gold 2-tone bracelet
  • Clasp
  • Steel triple folding clasp
  • Felix Baumgartner Red Bull Stratos Mission

    Felix Baumgartner

    Breaking the sound barrier

    The El Primero Stratos Flyback Striking 10th chronograph breaks the sound barrier on the edge of space, solidly fastened to Felix Baumgartner's wrist.

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  • watch movements complications

    Movements

    More than 600 variations

    The brand possesses an impressive legacy of more than 600 variations on movements entirely designed and produced within its manufacture.

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