Zenith El Primero El Primero Chronomaster Full Open 42 Stainless Steel / Bracelet

Reference 03.2081.400/78.M2040

About this watch

The Zenith El Primero Chronomaster Full Open 42 is a stunning piece that not only elevates your style but also brings a world of horological excellence to your wrist. With its striking skeleton dial and intricate movement beneath, this watch is a masterpiece of classic design and modern technology. The case is crafted from durable stainless steel, ensuring longevity and resilience against daily wear, while the sapphire crystal glass adds an extra layer of protection. The open case back allows you to admire the mechanical marvel at work, further enhancing the overall experience. With its automatic movement boasting a frequency of 36,000 vibrations per hour, this watch is designed for those who appreciate the finer details of timekeeping. Whether you're timing laps on the track or just keeping tabs on your daily routine, this watch has got you covered. The El Primero Chronomaster boasts a water resistance of 100 meters and comes with a stainless steel bracelet that perfectly complements its overall design.
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Key Features

  • 42mm diameter case
  • 12.75mm height
  • Stainless steel construction
  • Sapphire crystal glass
  • Automatic movement with 36,000 vibrations per hour
  • Chronograph function with column wheel
  • 50-hour power reserve

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Full Open 42 Stainless Steel / Bracelet
Reference
03.2081.400/78.M2040
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph - 40th Anniversary Limited Edition Ref.96.1969.469/77.C683 | Papers & Extra Strap

Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph - 40th Anniversary Limited Edition Ref.96.1969.469/77.C683 | Papers & Extra Strap

The Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph is a limited edition watch that pays tribute to the original A384 case design, now executed in lightweight titanium.

  • Condition: Excellent overall
  • Movement Frequency: 36,000 vph
  • Case Material: Titanium
  • Case Size: 40 mm diameter
Posted at
Oct 19, 2025, 10:01 PM
Active
[WTS] Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph – 40th Anniversary Limited Edition| Ref. 96.1969.469/77.C683 | Papers & Extra Strap

Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph – 40th Anniversary Limited Edition| Ref. 96.1969.469/77.C683 | Papers & Extra Strap

This Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph is a limited edition model released to celebrate the 40th anniversary of the legendary El Primero. The watch features a partially skeletonized dial, a lightweight titanium case, and a modern take on the original A384 case design.

  • Condition: Excellent overall
  • Year: 2014
  • Case material: Titanium
  • Diameter: 40mm
Posted at
Oct 19, 2025, 8:10 PM
Active
[WTS] Zenith El Primero Limited Edition 1/10 of a Second (Striking Tenth) 03.2041.4052 $7500

Zenith El Primero Limited Edition 1/10 of a Second (Striking Tenth) 03.2041.4052 $7500

Zenith - 03.2041.4052 · $7,500
Limited edition Zenith El Primero watch with a custom Dangerous9 strap and original metal bracelet, comes with full set of boxes and papers.

  • Condition: Excellent, due to being a safe queen
  • Original owner: true
  • Custom strap material: leather (brand: Dangerous9)
  • Bracelet condition: near flawless
Posted at
Oct 19, 2025, 7:43 PM
Active
[WTS] Zenith El Primero Chronomaster Original “1/10” Silver Dial 38mm

Zenith El Primero Chronomaster Original “1/10” Silver Dial 38mm

The Zenith Chronomaster Original is a reborn version of an iconic chronograph, featuring the modern El Primero 3600 movement and a 38mm steel case with exhibition case back.

  • Condition: fantastic condition
  • Case size: 38mm
  • Material: steel
Posted at
Oct 18, 2025, 3:37 PM
Active
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

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
Active
Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170

Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170

A Zenith El Primero Synopsis Open Heart watch with a 40-millimeter case diameter and gold-toned hands, featuring an open heart design and classic modern architecture.

  • Condition: Excellent, little to no visible wear
  • Case Diameter: 40mm
  • Bracelet Length: 16.5 links
  • Bracket Fit: up to 7.25 inches in circumference
Posted at
Mar 27, 2025, 2:21 PM
Active
Zenith Chronomaster - El Primero - Original - Tricolor Dial - Complete

Zenith Chronomaster - El Primero - Original - Tricolor Dial - Complete

A Zenith Chronomaster Original with a tricolor dial, featuring an automatic movement and stainless steel case.

  • Condition: Excellent
  • Case size: 38mm diameter
Posted at
Mar 27, 2025, 12:51 PM
Active
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

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
Active
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

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