Zenith El Primero El Primero Chronomaster Open Stainless Steel / Black / Bracelet

Reference 03.2040.4061/21.M2040

About this watch

The Zenith El Primero Chronomaster Open is a masterpiece of watchmaking that blends art and engineering. This stunning stainless steel timepiece boasts a black sunburst dial, stick indexes, and a unique open-heart design that showcases its intricate movement. The automatic Zenith caliber El Primero 4061 powers this watch with an impressive 36,000 vibrations per hour, ensuring precision timekeeping. With a power reserve of 50 hours and water resistance up to 100 meters, this watch is perfect for everyday wear. Its sleek design and versatility make it suitable for formal events or active lifestyles. The Zenith El Primero Chronomaster Open is more than just a timepiece; it's a celebration of craftsmanship and heritage that will last a lifetime.
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Key Features

  • Automatic Zenith caliber El Primero 4061 movement
  • Impressive water resistance up to 100 meters
  • Sleek black sunburst dial with stick indexes

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Open Stainless Steel / Black / Bracelet
Reference
03.2040.4061/21.M2040
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

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A modern iteration of the Zenith El Primero diver, reimagined in titanium with a funky design and beautiful blue sunray dial.

  • Condition: like new
  • Case size: 42.5mm
  • Movement: El Primero cal 3620 CS
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Feb 22, 2026, 2:32 PM
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A high-performance chronograph showcasing Zenith’s innovative 1/100th-of-a-second movement, housed in a lightweight titanium case.

  • Condition: Excellent
  • Case size: 44mm
  • Case material: Titanium
  • Movement type: Automatic chronograph (El Primero 21, 1/100th second)
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Feb 21, 2026, 12:07 PM
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  • Condition: Great Pre-Owned condition with light signs of wear
  • Material: lightweight titanium
  • Movement: in-house El Primero 9004
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Feb 20, 2026, 11:29 AM
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  • Condition: Brand new, never used
  • Warranty: 2-year
  • Shipping method: USPS Registered Mail
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Feb 20, 2026, 8:04 AM
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A Zenith El Primero Chronomaster Open Heart chronograph watch, featuring a 42mm stainless steel case and in-house Caliber Zenith El Primero 4061 movement. The watch is dated October 2014 and has been recently serviced by Zenith.

  • Condition: Mint Condition with light hairline scratches only
  • Case size: 42mm diameter
  • Water resistance: 30m depth rating
Posted at
Mar 31, 2025, 1:26 PM
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  • Condition: Excellent, little to no visible wear
  • Case Diameter: 40mm
  • Bracelet Length: 16.5 links
  • Bracket Fit: up to 7.25 inches in circumference
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Mar 27, 2025, 2:21 PM
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  • Condition: Excellent
  • Case size: 38mm diameter
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Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

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A Zenith El Primero Chronomaster Open Heart chronograph watch with a 42mm stainless steel case, featuring a Caliber Zenith El Primero 4061 movement and a date of manufacture in October 2014.

  • Condition: Mint Condition
  • Case diameter: 42mm
  • Movement frequency: 36,000 VPH
Posted at
Mar 25, 2025, 12:45 PM
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Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

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This is a Zenith El Primero Chronomaster Open Heart chronograph watch, featuring a 42mm stainless steel case and powered by the Caliber Zenith El Primero 4061 movement.

  • Condition: Mint Condition with light hairline scratches
  • Case diameter: 42mm
  • Movement frequency: 36,000 VPH
  • Power reserve: 50 hour PR
Posted at
Mar 4, 2025, 12:09 PM
Active