El Primero:
Stratos Flyback

45 mm

51.2061.405/75.R516

Zenith military chronograph legacy
Automatic El Primero column-wheel chronograph with flyback function
Find a boutique Add to the wish list
Variations 1/3
  • MovementEl Primero 405 B, Automatic
  • Calibre13¼``` (Diameter: 30 mm)
  • Thickness6.60 mm
  • Components331
  • Jewels31
  • Frequency36,000 VpH (5 Hz)
  • Power reservemin. 50 hours
  • FinishingOscillating weight with “Côtes de Genève” motif
    Three-counter chronograph with flyback function
    - Central chronograph hand
    - 12-hour counter at 6 o'clock
    - 30-minute counter at 3 o'clock
    Hours and minutes in the centre
    Small seconds at 9 o'clock
    Telemetric scale
    Date indication at 6 o'clock
  • MaterialStainless steel with rose gold crown and pushpieces Unidirectional rotating bezel with rose gold disc
  • Diameter45 mm
  • Thickness14.10 mm
  • CrystalDomed sapphire crystal with anti-reflective treatment on both sides
  • Case-backTransparent sapphire crystal
  • Water-resistance10 ATM
  • DialBrown sunray-patterned
  • Hour-markersGold-plated, faceted and coated with SuperLuminova SLN C1
  • HandsGold-plated, faceted and coated with SuperLuminova SLN C1
  • Strap
  • Brown rubber strap (DFKM quality)
  • Clasp
  • Stainless 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.

    More information

  • 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.

    More information


  • SERVICE CENTER

    A vast network of service centers
    around the world is at your
    disposal so that you may benefit
    from the expertise of watchmakers
    who are properly trained to maintain
    and repair your watch, and to restore
    vintage timepieces.

    FIND A SERVICE CENTER