Zenith El Primero El Primero Chronomaster 42 Aluminium / Black / Rubber Strap

Reference 24.2041.400/21.R576

About this watch

The Zenith El Primero Chronomaster 42 Aluminium is a stunning representation of Zenith's commitment to excellence, combining modern materials and classic design for a bold yet sophisticated look. At the heart of this watch is the remarkable Zenith Caliber El Primero 400B, famous for its high frequency of 36,000 vibrations per hour, translating to precision that few other watches can match. With a power reserve of 50 hours, you can rely on this watch to keep ticking even after a weekend away. The chronograph feature is a standout aspect, with its column wheel mechanism allowing you to start, stop, and reset the timer with a satisfying click. The analog display offers clarity and elegance in a world dominated by digital screens, while the comfort of the rubber strap and water resistance of 100 m make it a practical choice for daily wear.
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Key Features

  • Zenith Caliber El Primero 400B movement
  • 42mm diameter and 12.75mm height
  • Sapphire glass with PVD coating
  • Aluminium case with sunburst finish
  • Chronograph feature with column wheel mechanism
  • Water resistance up to 100m
  • Rubber strap for comfort

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster 42 Aluminium / Black / Rubber Strap
Reference
24.2041.400/21.R576
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

[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
[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,950

Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,950

This 2024 Zenith Defy Skyline Chronograph features the El Primero 3600 movement, a high-beat automatic chronograph with a 1/10th-second hand. The watch is powered by a column wheel chronograph with vertical clutch and has a 60-hour power reserve.

  • Condition: Excellent
  • Movement: El Primero 3600
  • Frequency: 36,000 vph (5Hz)
  • Power reserve: 60 hours
Posted at
Apr 26, 2026, 4:52 PM
Active