Zenith El Primero El Primero Chronomaster Open Stainless Steel / Blue 1969 / Alligator

Reference 03.2040.4061/52.C700

About this watch

The Zenith El Primero Chronomaster Open is a masterpiece of horology, blending precision engineering with timeless design. Its stunning blue dial features a sunburst effect and stick indexes for enhanced readability. The open-heart mechanism showcases the intricate mechanics at work, creating a captivating focal point. At 42mm in diameter, this watch strikes a balance between boldness and wearability. Crafted from stainless steel, it boasts a substantial presence without feeling cumbersome. The alligator leather strap adds a touch of luxury and comfort, perfect for both formal and casual occasions. Powered by the Zenith El Primero caliber 4061 movement, featuring 282 components and a 50-hour power reserve, this watch is designed for precision. With a frequency of 36,000 vibrations per hour, it's built to withstand daily wear and tear while being water-resistant up to 100 meters. This timepiece embodies the pinnacle of horological artistry, deserving a spot in any luxury collection.
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Key Features

  • Zenith El Primero caliber 4061 movement
  • 42mm stainless steel case
  • Blue sunburst dial with stick indexes
  • Open-heart mechanism for intricate mechanics visibility
  • 50-hour power reserve and water resistance up to 100m
  • Alligator leather strap with 21mm lug width

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Open Stainless Steel / Blue 1969 / Alligator
Reference
03.2040.4061/52.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 “Open Heart” - El Primero Movement - Sexy AF

Zenith “Open Heart” - El Primero Movement - Sexy AF

Zenith - 03.0520.4021 · $2,350
A rare white dial Zenith El Primero 'Open Heart' automatic chronograph watch featuring an open-heart design and high-beat movement.

  • Condition: Very Good
  • Dial color: white
  • Case size: 42mm diameter
  • Movement: El Primero high-beat automatic chronograph (36,000 vph)
Posted at
May 5, 2026, 8:22 PM
Active
[WTS] Zenith El Primero Chronomaster Poker Chip 97.G383.400/38.C881 ♦️Like New 2022♦️

Zenith El Primero Chronomaster Poker Chip 97.G383.400/38.C881 ♦️Like New 2022♦️

A Zenith El Primero Chronomaster Poker Chip from 2022, in excellent condition with box and papers.

  • Condition: Like New
  • Year Of Production: 2022
  • Case Condition: Like New
  • Includes Accessories: Full set (box & papers)
Posted at
May 5, 2026, 2:26 AM
Active
[WTS] OG Zenith El Primero Flyback Chronograph - For The French Military - Ref 02.0470.405/25 - FULL COLLECTOR SET

OG Zenith El Primero Flyback Chronograph - For The French Military - Ref 02.0470.405/25 - FULL COLLECTOR SET

Zenith - 02.0470.405/25 · $4,250
This is an original Zenith El Primero Flyback Chronograph designed for French military aviation, featuring a matte black dial and a 40MM stainless case.

  • Condition: Very good condition, with wear throughout
  • Dial: matte black dial with clean chronograph layout and lume
  • Case: 40MM diameter stainless steel case in unpolished condition
  • Bracelet: original stainless Zenith bracelet with double butterfly clasp, fits up to 7 inches
Posted at
May 4, 2026, 8:41 PM
Active
[WTS] INSANE Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set Just 50 Made!

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

The Zenith El Primero is a legendary chronograph featuring a tourbillon, a limited edition of just 50 made in full 18 karat white gold. It comes with a beautiful collector set and an appraisal showing a value of six figures.

  • Condition: Really clean condition, minimal wear throughout
  • Case Diameter: 45mm
  • Movement: El Primero automatic chronograph cal 4005
Posted at
May 3, 2026, 10:49 PM
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 · $4,995
The Zenith El Primero is a legendary high-frequency automatic chronograph movement first introduced in 1969, featuring an integrated automatic chronograph movement that beats at 5 Hz (36,000 vph) and allows it to measure elapsed time with a precision of 1/10th of a second. The watch has a 'space-age' 1970s aesthetic and rocker style pushers.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Lug to lug: 44h
  • Thickness: 14.3mm
Posted at
May 3, 2026, 8:02 PM
Active
[WTS] Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | June 2025 Zenith warranty

Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | June 2025 Zenith warranty

The Zenith Chronomaster Original El Primero Chronograph Reverse Panda is a discontinued model that comes with a brand new Zenith leather strap and a deployant clasp. It features the original protective stickers still intact.

  • Condition: Brand new, unused
  • Warranty Start Date: June 2025
  • Shipping Method: USPS Registered Mail
  • Shipping Restriction: CONUS only
Posted at
May 2, 2026, 5:07 PM
Active
[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,850

Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,850

This Zenith Defy Skyline Chronograph features the El Primero 3600 movement, a high-beat automatic chronograph with a 60-hour power reserve and 35 jewels. The watch has a silver/white 'Starry Sky' dial and is available in full set, including an integrated stainless steel bracelet and OEM Zenith green rubber strap.

  • Condition: Excellent
  • Movement: El Primero 3600, automatic chronograph
  • Frequency: 36,000 vph (5Hz)
  • Power reserve: 60 hours
Posted at
May 2, 2026, 12:50 PM
Active
[WTS][US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

A Zenith El Primero Chronomaster Sport featuring a white dial and 41mm case size is up for sale.

  • Condition: Fantastic condition with few hairlines
  • Case diameter: 41mm
  • Bracelet length: fully linked
Posted at
Apr 30, 2026, 8:10 AM
Active
[WTS] TOURBILLON FOR THE WIN! Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set - Just 50 Made!

TOURBILLON FOR THE WIN! Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set - Just 50 Made!

The Zenith El Primero is a legendary chronograph with the added feature of a tourbillon, presented in a limited edition of just 50 made. This watch comes in a beautiful collector set including an appraisal from Zenith showing a value of six figures.

  • Condition: really clean condition, including the sapphire crystal
  • Case size: 45mm diameter
  • Material: 18K solid white gold
  • Movement: El Primero automatic chronograph cal 4005
Posted at
Apr 26, 2026, 10:45 PM
Active