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

Reference 03.2040.400/53.C700

About this watch

The Zenith El Primero Chronomaster 42 is a masterpiece of luxury watchmaking, blending precision, style, and history in perfect harmony. Its stunning blue sunburst dial shifts with the light, creating a dynamic look that's hard to ignore. The stick and dot indexes are applied with precision, offering a clean look while ensuring readability. At its heart lies the Zenith caliber El Primero 400B, an automatic movement known for its high frequency of 36,000 vibrations per hour, allowing for exceptional accuracy. With a power reserve of approximately 50 hours, this watch is perfect for everyday wear. The luxurious alligator leather strap adds a touch of elegance to the overall design, while the stainless steel case provides durability and a polished look that catches the eye.
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Key Features

  • Zenith caliber El Primero 400B automatic movement
  • 42mm diameter stainless steel case
  • 100m water resistance
  • 50hr power reserve
  • Luxurious alligator leather strap
  • Blue sunburst dial with stick and dot indexes
  • High frequency of 36,000 vibrations per hour

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster 42 Stainless Steel / Blue / Alligator
Reference
03.2040.400/53.C700
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Pilot Chronometro Tipo CP-2 Flyback – El Primero – Ref. 11.2240.405/21.C773 Aged Steel

Zenith Pilot Chronometro Tipo CP-2 Flyback – El Primero – Ref. 11.2240.405/21.C773 Aged Steel

This serious pilot chronograph is robust, purpose-built, and powered by one of the finest automatic chronograph movements ever made.

  • Case size: 43mm
  • Movement: El Primero 405 automatic flyback chronograph (5Hz)
  • Dial color: Matte black dial with vintage-toned lume
Posted at
Jan 3, 2026, 11:05 AM
Active
[WTS] Zenith Captain Chrono El Primero (03.2110.400) $2700 obo (see comment)

Zenith Captain Chrono El Primero (03.2110.400) $2700 obo (see comment)

Zenith - 03.2110.400 · $2,700
Up for sale is a Zenith Captain Chrono El Primero in excellent condition except for an intermittent mechanical issue with the date wheel. The watch keeps perfect time and has minor hairline scratches.

  • Condition: Used with functional issue (date wheel)
  • Issue: date wheel slips back occasionally
  • Accuracy: perfect time keeping after 18 hours
  • Condition: minor hairline scratches
Posted at
Dec 31, 2025, 1:01 PM
Active
[WTS] Zenith El Primero Gold Full Set ($15,450)

Zenith El Primero Gold Full Set ($15,450)

This Zenith El Primero Gold is a solid 18K gold watch that comes with a complete set, in great condition.

  • Condition: Great condition
  • Material: Solid 18K gold
Posted at
Dec 29, 2025, 2:58 PM
Active
[WTS] Zenith El Primero Original Chronomaster 38mm 03.3200.3600

Zenith El Primero Original Chronomaster 38mm 03.3200.3600

Zenith - 03.3200.3600 · $6,000
The Zenith El Primero Original Chronomaster is a legendary chronograph celebrated for its high-beat automatic movement, classic 38mm case, and iconic tri-color subdials.

  • Condition: Excellent condition with no visible signs of wear
  • Case size: 38mm
  • Wrist size: 7.25"
  • Box papers included: true
Posted at
Dec 28, 2025, 6:42 PM
Active
[WTS] Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Brand new under full warranty | $7500 + shipping

Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Brand new under full warranty | $7500 + shipping

A brand new Zenith Chronomaster Original Reverse Panda with an El Primero chronograph movement, no longer in production.

  • Condition: Brand new, never used
  • Warranty Years: 2 years
  • Strap Material: leather
Posted at
Dec 24, 2025, 7:15 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