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

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

Zenith Tipo CP-2 Chronograph 03.2240.4069 is an underrated El Primero beast, one of only 641 pieces produced out of 1000.

  • Condition: Underrated
Posted at
May 15, 2026, 9:21 PM
Active
[WTS] Brand New 2025 Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | Price reduced

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

A brand new, discontinued Zenith Chronomaster Original Reverse Panda chronograph watch, still in its original packaging and with a full 2-year warranty.

  • Condition: Brand new, never used
  • Material: leather
  • Strap size: unknown
  • Warranty duration: 2 years
Posted at
May 14, 2026, 11:52 AM
Active
[WTS] Zenith Defy El Primero 21 • Titanium • Skeleton • Full Set • Serviced

Zenith Defy El Primero 21 • Titanium • Skeleton • Full Set • Serviced

This listing is about a Zenith Defy El Primero 21 watch with a titanium case, skeleton design, and full set. It has been serviced.

  • Condition: Full set
  • Material: titanium
  • Movement: El Primero 21
Posted at
May 14, 2026, 10:03 AM
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

Up for sale is a Zenith El Primero Chronomaster Sport - White Dial - 41mm that functions perfectly mechanically without issue.

  • Condition: Fantastic with few hairlines on clasp, case, and bracelet
  • Case size: 41mm diameter
Posted at
May 14, 2026, 7:25 AM
Active
[WTS] Neo Vintage French Military Zenith El Primero Flyback Chronograph Ref 02.0470.405/25 FULL COLLECTOR SET

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

Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $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
Active
[WTS] Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Just 50 Made - Collector Set

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

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

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
Active
[WTS] Zenith Chronomaster. El Primero. Power Reserve. Open Heart. OEM Strap, OEM Deployant Clasp...

Zenith Chronomaster. El Primero. Power Reserve. Open Heart. OEM Strap, OEM Deployant Clasp...

A Zenith Chronomaster with El Primero movement and Power Reserve, featuring an Open Heart design.

Posted at
May 8, 2026, 5:24 PM
Active