Zenith El Primero El Primero Chronomaster Open Stainless Steel / Blue / Alligator

Reference 03.20416.4061/51.C700

About this watch

The Zenith El Primero Chronomaster Open is not just a watch; it’s a statement. Launched in 2016, this model brings together exquisite craftsmanship, a rich history, and cutting-edge technology in a beautiful package. The stunning blue sunburst dial creates a mesmerizing play of light that shifts as you move the watch, making it a real conversation starter. With its open-heart design, you get a sneak peek into the intricate movements within. This timepiece features a robust stainless steel case with a diameter of 42 mm and a height of 14.05 mm, striking a perfect balance between being bold and wearable. The round shape feels classic yet modern, ensuring it fits well on most wrists. Equipped with a sapphire crystal, the watch is not only scratch-resistant but also offers a clear view of the dial. At the heart of this watch lies the Zenith caliber El Primero 4061, an automatic movement renowned for its precision and boasting a frequency of 36,000 vibrations per hour. This high-frequency allows for incredibly accurate timekeeping, making it a favorite among serious watch aficionados. The chronograph feature operated by a column wheel adds a layer of excitement to the experience. With its luxurious blue alligator leather strap, this watch is comfortable to wear and complements the dial beautifully.
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Key Features

  • Zenith caliber El Primero 4061 automatic movement
  • 42 mm stainless steel case with sapphire crystal
  • Open-heart design showcasing intricate mechanics
  • Chronograph feature operated by a column wheel
  • Luxurious blue alligator leather strap

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Open Stainless Steel / Blue / Alligator
Reference
03.20416.4061/51.C700
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith El Primero “Open Heart” - Increadible Value

Zenith El Primero “Open Heart” - Increadible Value

Zenith - 03.0520.4021 · $2,950
This is a Zenith El Primero “Open Heart” with a rare white dial variant, featuring the iconic high-beat chronograph movement and an open-heart design.

  • Condition: Very Good
  • Case Size: ~42mm diameter
  • Movement Frequency: 36,000 vph (high-beat)
  • Crystal Type: Sapphire crystal
Posted at
Mar 18, 2026, 1:50 PM
Active
[WTS] Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

The seller is listing a Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary watch, which was produced in Q3 2014. This limited edition model comes with a full set of box and papers.

  • Condition: Lightly Used
  • Year Of Manufacture: 1969
  • Limited Edition: True (40th Anniversary)
  • Box And Papers: Yes (full set)
Posted at
Mar 18, 2026, 5:56 AM
Active
[WTS] Zenith El Primero ref. 01.0200.415 Big Blue circa 1973

Zenith El Primero ref. 01.0200.415 Big Blue circa 1973

Zenith - 01.0200.415 · $5,450
The Zenith El Primero is a legendary high-frequency automatic chronograph movement first introduced in 1969, beating at 5 Hz and measuring elapsed time with precision. It features an oversized TV-shaped case with a vibrant brushed yachting metallic blue dial, often referred to as the 'Big Blue'. This watch has a unique 1970s aesthetic and is highly sought after by collectors.

  • Condition: Excellent shape for its age, light signs of polish, private service in 2026
  • Case size: 42mm
  • Lug to lug length: 44h
  • Thickness: 14.3 cc
Posted at
Mar 17, 2026, 4:53 PM
Active
[WTS] Zenith El Primero Port Royal V

Zenith El Primero Port Royal V

Zenith - 01/02.0450.400 · $2,650
The Zenith Port Royal V El Primero features symmetry, clarity, and attention to detail throughout its design, making it a visually stunning watch.

  • Condition: Excellent cosmetically
  • Case diameter: 40mm
  • Lug width: 20mm
  • Lug to lug: 47mm
Posted at
Mar 17, 2026, 11:43 AM
Active
[WTS] Zenith 1969/1970 El Primero A385

Zenith 1969/1970 El Primero A385

Zenith - A385 · $7,500
Up for sale is a magnificent El Primero A385 from 1969-1970, limited to approximately 2,400 pieces. It is powered by Zenith’s automatic El Primero movement, Caliber 3019 PHC/400.

  • Condition: Excellent
  • Movement: El Primero Caliber 3019PHC
  • Power reserve: 50 hours
  • Case diameter: 37mm
Posted at
Mar 16, 2026, 5:11 PM
Active
[WTS] BIG PRICE DROP! Zenith El Primero Flyback 18K Gold Grand Chronomaster XT Collector Set!

BIG PRICE DROP! Zenith El Primero Flyback 18K Gold Grand Chronomaster XT Collector Set!

Zenith - 35.1250.4009 · $12,950
The Zenith El Primero Flyback 18K Gold Grand Chronomaster XT Collector Set is a dress watch with an incredible dial and one of the most mesmerizing dials. It features a clean, classic look with a Swiss army knife of functions and has a 43MM 18K solid yellow gold case.

  • Condition: Mint
  • Case diameter: 43mm
  • Material: 18K solid yellow gold
  • Movement type: El Primero automatic chronograph cal 4009
Posted at
Mar 15, 2026, 9:45 PM
Active
[WTS] 2024 Zenith Defy Extreme Titanium Diver El Primero Sunray Blue Dial FULL SET

2024 Zenith Defy Extreme Titanium Diver El Primero Sunray Blue Dial FULL SET

A modern iteration of the classic Defy diver, featuring a titanium case and a stunning blue starry sunray dial.

  • Condition: Mint, with light wear
  • Case size: 42.5mm diameter
  • Movement: El Primero cal 3620 CS
  • Depth rating: 30m water resistance
Posted at
Mar 15, 2026, 9:40 PM
Active
[WTS] Zenith vintage El Primero A384  Tropical Dial

Zenith vintage El Primero A384 Tropical Dial

Zenith - A384 · $10,850
A Zenith El Primero A384 chronograph from the early generation, featuring a classic panda dial and tonneau case.

  • Year: 1971
  • Bracelet type: Gay Frères ladder bracelet
Posted at
Mar 12, 2026, 5:24 PM
Active
[WTS] Zenith El Primero “Open Heart” - Need I say more?

Zenith El Primero “Open Heart” - Need I say more?

Zenith - 03.0520.4021 · $2,950
This Zenith El Primero 'Open Heart' features a rare white dial variant and pairs the iconic high-beat chronograph movement with an open-heart design.

  • Condition: Very Good
  • Case diameter: ~42 mm
  • Movement frequency: 36,000 vph
  • Crystal type: Sapphire
Posted at
Mar 11, 2026, 1:54 PM
Active