Zenith El Primero El Primero Stratos Flyback Two Tone

Reference 51.2061.405/75.R516

About this watch

The Zenith El Primero Stratos Flyback Two Tone is a masterpiece of luxury watchmaking, combining elegant design, precision engineering, and rich heritage. This stunning timepiece features a harmonious blend of rose gold and stainless steel, exuding sophistication and versatility. The brown dial boasts stick and dot indexes for modern readability, while the chronograph functions are clearly marked for easy operation. At its core is the renowned El Primero 405B movement, celebrated for its precision, reliability, and flyback function. With a power reserve of 50 hours and water resistance of 100 meters, this watch is designed to keep up with an active lifestyle while looking stunning on the wrist. Whether you're in a boardroom or out for dinner, the Zenith El Primero Stratos Flyback is the perfect accessory, offering excellent value and durability that will last a lifetime.

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Key Features

El Primero 405B automatic chronograph movement
45mm diameter case with rose gold and stainless steel construction
Brown dial with stick and dot indexes for modern readability
Flyback function for easy timing of multiple events
50-hour power reserve and water resistance up to 100 meters

Specifications

Brand

Zenith

Family

El Primero

Model

El Primero Stratos Flyback Two Tone

Reference

51.2061.405/75.R516

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel, Flyback

Case

45mm

Dial Color

Brown

Crystal

Sapphire

Water Resistance

100

Current Listings

Neo Vintage French Military Zenith El Primero Flyback Chronograph Ref 02.0470.405/25 FULL COLLECTOR SET

Zenith - 02.0470.405/25 · $4,250

This is a unique Neo Vintage French Military Zenith El Primero Flyback Chronograph, featuring a matte black dial and stainless case. The watch comes in a collector's box and papers set, including an original serialized hang tag.

Condition: really nice condition, with wear throughout
Case size: 40mm diameter
Bracelet length: fits up to app 7 inches
Movement type: automatic chronograph with quickset date winding

Posted at

May 11, 2026, 8:57 PM

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Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750

Zenith - 03.9500.3600/01.I001 · $7,750

This is a Zenith Defy Skyline Chronograph, featuring the El Primero 3600 movement that beats at 36,000 vph and drives a 1/10th-second chronograph hand. The watch has a 42mm stainless steel case and a silver dial with a 'Starry Sky' pattern.

Condition: Excellent
Movement: El Primero 3600, automatic chronograph
Frequency: 36,000 vph (5Hz)
Power reserve: 60 hours

Posted at

May 11, 2026, 11:46 AM

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Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Just 50 Made - Collector Set

Zenith - 65.1260.4005/21.C505 · $20,850

The Zenith El Primero is a legendary chronograph featuring an incredible tourbillon and limited to just 50 pieces. The watch is housed in 18k white gold and features a beautiful black dial highlighting the tourbillon.

Condition: Really clean condition, minimal wear throughout
Case diameter: 45mm
Movement: El Primero automatic chronograph cal 4005
Strap material: Zenith black leather strap

Posted at

May 10, 2026, 11:09 PM

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Zenith Tipo CP-2 Chronograph 03.2240.4069, Underrated El Primero Beast (641/1000)

Zenith - 03.2240.4069 · $4,150

Inspired by original Cairelli-issued military chronographs, this Zenith Tipo CP-2 Chronograph features a strong vintage tool watch character with a matte black dial and bold lume markers.

Condition: great, with light signs of normal wear
Case size: 43mm diameter
Movement: Zenith El Primero automatic chronograph (Cal. 4069)
Water resistance: 100m depth rating

Posted at

May 8, 2026, 8:40 PM

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View listing on r/WatchExchange