Zenith El Primero El Primero Chronomaster Grande Date Full Open Stainless Steel / Alligator

Reference 03.2530.4047/78.C813

About this watch

The Zenith El Primero Chronomaster Grande Date Full Open is a masterpiece that combines artistry, precision, and functionality. This watch boasts a skeleton dial, showcasing the intricate workings of its legendary Zenith caliber El Primero 4047B movement. With a frequency of 36,000 vibrations per hour and a total of 332 components, this automatic movement is a marvel of engineering. The big date display and moonphase indicator add to its practicality and aesthetic appeal. Made from stainless steel with a sapphire crystal glass, this watch is durable, scratch-resistant, and water-resistant up to 50 meters. Its bold 46mm diameter and 15.60mm height make it a statement piece on any wrist. With an alligator leather strap, this watch exudes sophistication and craftsmanship.
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Key Features

  • Automatic movement with 36,000 vibrations per hour
  • Skeleton dial showcasing the El Primero caliber
  • Big date display for practicality
  • Moonphase indicator for astronomical features
  • Stainless steel case with sapphire crystal glass
  • Water-resistant up to 50 meters
  • 46mm diameter and 15.60mm height

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Grande Date Full Open Stainless Steel / Alligator
Reference
03.2530.4047/78.C813
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Moonphase
Case
Stainless Steel 46mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Zenith Chronomaster El Primero 03.2040.400/26.c496 42mm $4,400

Zenith Chronomaster El Primero 03.2040.400/26.c496 42mm $4,400

This is a Zenith Chronomaster El Primero 42mm watch with date function. The watch has been polished recently and comes with its original box along with a third party strap.

Posted at
Mar 4, 2026, 11:33 PM
Active
[WTS] PRICE DROP! Incredible Zenith El Primero Flyback in 18K Gold Grand Chronomaster XT COLLECTOR SET!

PRICE DROP! Incredible Zenith El Primero Flyback in 18K Gold Grand Chronomaster XT COLLECTOR SET!

Zenith - 35.1250.4009 · $13,950
The Zenith El Primero Flyback is a stunning gold dress watch featuring an off-white dial with guilloche work and a clean, classic design. The watch comes in a collector's set and is powered by the automatic chronograph cal 4009.

  • Condition: appears mint with wear throughout
  • Diameter: 43mm
  • Case material: 18K solid yellow gold
  • Movement type: automatic chronograph
Posted at
Mar 1, 2026, 8:50 PM
Active
[WTS] Whole Lotta Wrist Fun! Zenith Defy Titanium Extreme Diver El Primero Sunray Blue Dial FULL 2024 Set!

Whole Lotta Wrist Fun! Zenith Defy Titanium Extreme Diver El Primero Sunray Blue Dial FULL 2024 Set!

A modern iteration of the Zenith El Primero Defy diver with a titanium case, featuring an insane blue starry sunray pattern dial and a sapphire crystal case back.

  • Condition: Mint
  • Diameter: 42.5mm
  • Case material: Titanium
  • Movement: El Primero automatic cal 3620 CS
Posted at
Mar 1, 2026, 7:57 PM
Active
[WTS] Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith - 96 1969 469/77 C683 · $6,137
A Zenith El Primero New Vintage 1969 Limited Edition, a special edition marking the 40th anniversary of the Calibre 135. This watch is in lightly used condition and comes with its full set, including box and papers.

  • Condition: Lightly Used
  • Year Of Production: 2014
  • Anniversary Type: 40th Anniversary
  • Limited Edition: true
Posted at
Feb 27, 2026, 9:22 PM
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[WTS] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

A Zenith El Primero Chronomaster Sport, a 41mm watch featuring a white dial.

  • Condition: Fantastic with minor hairlines
  • Case Size: 41mm diameter
  • Bracelet Condition: Minor hairlines on clasp
Posted at
Feb 26, 2026, 8:13 AM
Active