The Zenith El Primero Rainbow Chronograph is a distinctive and historically significant chronograph that showcases the legendary El Primero movement in a bold and sporty design.

• Condition: Great original condition for its age with typical signs of wear in the metals and fine hairlines in the crystal visible in harsh light under certain angles.
• Size: 40mm diameter
• Water resistance: 100m depth rating
• Movement power reserve: ~50 hours

This listing is for a Zenith Rainbow Fly-back 405z, featuring a 40mm stainless case with an El Primero flyback chronograph and black dial with tricolor subdials. The watch comes on its original bracelet and has an OEM caseback.

• Condition: okay
• Case diameter: 40mm
• Case material: stainless steel
• Movement type: El Primero flyback chronograph

This Zenith El Primero Rainbow Flyback Chronograph is a late 1990s model with a 40mm case size, featuring an automatic El Primero flyback chronograph movement and original OEM bracelet. It's described as being in very good condition and has a unique fit and finish.

• Condition: Very good condition
• Case Size: 40mm
• Lug To Lug: 46.5mm
• Thickness: 12.5mm

The Zenith El Primero Rainbow Flyback is an accurate high-performance chronograph featuring a high-beat movement, quickset date mechanism, and a full-body winding rotor. It is one of the most robust, reliable, and accurate automatic chronographs ever produced.

• Condition: very good condition, one ding in the bezel near the pip
• Era: Late 1990s
• Case size: 40mm diameter
• Lug-to-lug: 46.5mm length

This Zenith El Primero Rainbow Flyback Chronograph is a rare and unique timepiece designed for the French Air Force, but ultimately released to civilians. It features an automatic El Primero Caliber 405 movement and a 40mm × 12.6mm case.

• Case size: 40mm
• Movement: automatic El Primero Caliber 405
• Bracelet: original stainless steel

A Zenith El Primero Rainbow Flyback Chronograph with a rich history, designed for the French Air Force but later released to civilians. This watch features an automatic El Primero Caliber 405 and regular pushers instead of screw-down ones.

• Case size: 40mm
• Thickness: 12.6mm
• Bracelet material: Stainless Steel

This Zenith El Primero Rainbow Flyback Chronograph is a unique timepiece that features a strong-running mechanism and functions as manufactured. It has a small imperfection on the bezel, but remains in excellent overall condition.

• Condition: very good vintage condition with small dent at the bezel near the pip
• Case Back: aftermarket German-made sapphire case back

This Zenith El Primero Rainbow Flyback Chronograph is a high-end timepiece from the late 1990s, featuring a robust and reliable movement. It has a 40mm case diameter and comes in strong condition throughout, except for a small dent near the pip on the bezel.

• Condition: Very good vintage condition
• Case size: 40mm diameter
• Lug to lug length: 46.5mm
• Thickness: 12.5mm