Zenith El Primero El Primero Chronomaster 42 Stainless Steel / Silver / Alligator

Reference 03.2040.400/69.C494

About this watch

The Zenith El Primero Chronomaster 42 is a masterpiece of horology, blending stunning design and sophisticated mechanics with historical significance. Its 42 mm round stainless steel case exudes elegance, while the sunburst silver finish catches the light beautifully. The dial features stick and dot indexes for easy readability, complemented by eye-catching subdials hinting at the watch's chronograph capabilities. A luxurious alligator leather strap provides comfort and a secure fit. At its heart beats the Zenith caliber El Primero 400B, renowned for precision with a frequency of 36,000 vibrations per hour and a power reserve of 50 hours. The Chronomaster 42 is not just about looks; it's packed with features making it a functional tool for everyday use. Its chronograph function allows precise timing, while the altered date position enhances the overall aesthetic without compromising practicality. With a water resistance of 100 meters, this watch can handle splashes and dips in the pool with ease.
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Key Features

  • 42 mm round stainless steel case
  • Sapphire crystal glass
  • Chronograph function with column wheel
  • Altered date position
  • Water resistance up to 100 meters
  • Zenith caliber El Primero 400B movement
  • 36,000 vibrations per hour frequency

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster 42 Stainless Steel / Silver / Alligator
Reference
03.2040.400/69.C494
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 2025 NEW Zenith Chronomaster Sport White Dial "Panda" Bracelet El Primero 3600 41mm - 03.3100.3600/69.M3100

2025 NEW Zenith Chronomaster Sport White Dial "Panda" Bracelet El Primero 3600 41mm - 03.3100.3600/69.M3100

The Zenith Chronomaster Sport White Dial 'Panda' features a tri-color sub dial and the El Primero 3600 movement with 1/10th of a second chronograph. It has a 41mm case size, 60 hour power reserve, and an adjustable bracelet.

  • Condition: Brand new, unworn
  • Case Size: 41mm
  • Material: Stainless Steel
  • Movement: El Primero 3600
Posted at
Feb 10, 2026, 1:11 AM
Active
[WTS] INSANE Zenith El Primero Flyback Grande Chronomaster XT in 18K Gold COLLECTOR SET Ref 35.1250.4009

INSANE Zenith El Primero Flyback Grande Chronomaster XT in 18K Gold COLLECTOR SET Ref 35.1250.4009

Zenith - 35.1250.4009 · $15,850
The Zenith El Primero Flyback Grande Chronomaster XT is a large and in charge dress watch with an incredible dial, featuring a guilloche pattern and off-white background that pops silver in the light. The watch is made of 18K solid yellow gold with a 43MM case diameter.

  • Condition: Mint, appears to have some wear given its age and material (18K gold)
  • Dial Color: Off-white
  • Case Size: 43MM diameter
  • Movement Type: Automatic chronograph
Posted at
Feb 8, 2026, 2:06 PM
Active
[WTS] Zenith Defy El Primero Extreme Diver - LOOK AT THIS AND TRY NOT TO SMILE - Full Set Ref 95.9601.3620/51.I301

Zenith Defy El Primero Extreme Diver - LOOK AT THIS AND TRY NOT TO SMILE - Full Set Ref 95.9601.3620/51.I301

A modern iteration of the Zenith El Primero Defy diver, featuring a titanium case and an iconic movement.

  • Condition: Mint, with light wear on the case
  • Case Size: 42.5mm diameter
  • Dial Pattern: blue starry sunray pattern with bright orange accents
  • Movement Type: automatic cal 3620 CS
Posted at
Feb 7, 2026, 3:36 PM
Active
[WTS] Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

A 2023 Zenith Chronomaster Original 'El Primero' 38mm watch on a blue leather deployant strap, with an included OEM steel bracelet.

  • Condition: Like new
  • Bracelet type: OEM steel integrated
  • Strap type: Zenith blue leather deployant
Posted at
Feb 5, 2026, 8:29 PM
Active
[WTS] Zenith - 49.9010.9004/01.R947 Defy El Primero 21 Chroma 🎨 limited to 200 pieces

Zenith - 49.9010.9004/01.R947 Defy El Primero 21 Chroma 🎨 limited to 200 pieces

This listing is for a Zenith Defy El Primero 21 Chroma limited to 200 pieces, which is a complete set from 2022.

  • Condition: Mint condition
  • Year: 2022
  • Quantity Produced: limited to 200 pieces
Posted at
Feb 5, 2026, 1:22 PM
Active
[WTS] 2017 Zenith Chronomaster El Primero "Open Heart" 03.2040.4061/23.C496 - Box/Papers, Two Straps, Excellent Shape

2017 Zenith Chronomaster El Primero "Open Heart" 03.2040.4061/23.C496 - Box/Papers, Two Straps, Excellent Shape

The Zenith Chronomaster El Primero 'Open Heart' is a striking example of an open heart masterpiece, highlighting the legendary El Primero movement through an open-heart aperture on the dial.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm
  • Movement Power Reserve: ~50-hour
  • Water Resistance: 100m depth rating
Posted at
Feb 5, 2026, 12:37 AM
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