Zenith El Primero El Primero Chronomaster Full Open 38 Stainless Steel / Rose Gold / Alligator

Reference 51.2151.400/78.C810

About this watch

The Zenith El Primero Chronomaster Full Open 38 is a masterpiece that combines elegance with exceptional functionality. At its core lies the Zenith caliber El Primero 400, an automatic movement boasting 36,000 vibrations per hour and 278 components. The round case measures 42.00 mm in diameter, protected by sapphire crystal, showcasing intricate details of the skeleton dial. Comfort is key, with an alligator leather strap and lug width of 21.00 mm. With a water resistance rating of 100 meters, this watch can handle everyday wear. Its versatility allows it to seamlessly transition from formal to casual settings, making it a worthy addition to any collection.
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Key Features

  • Automatic movement
  • 36,000 vibrations per hour
  • 278 components and 31 jewels
  • Sapphire crystal protection
  • Water resistance up to 100 meters
  • Skeleton dial design
  • Alligator leather strap

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Full Open 38 Stainless Steel / Rose Gold / Alligator
Reference
51.2151.400/78.C810
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
42mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Chronomaster Revival 'Airweight Cover Girl' Titanium El Primero - Revolution and The Rake

Zenith Chronomaster Revival 'Airweight Cover Girl' Titanium El Primero - Revolution and The Rake

The Zenith Chronomaster Revival 'Airweight Cover Girl' is a limited edition collaboration between Zenith, Revolution, and The Rake, featuring a Grade 5 titanium case and bracelet. It retains the electric blue sunburst dial with a shark tooth chronograph scale and is powered by the El Primero 400 automatic movement.

  • Condition: Unworn
  • Case material: Grade 5 Titanium
  • Bracelet material: Grade 5 Titanium
  • Movement: El Primero 400 automatic chronograph
Posted at
Aug 22, 2025, 5:24 PM
Active
[WTS] Zenith Chronomaster Sport Black Dial Bracelet El Primero 3600 41mm - 03.3100.3600/21.M3100

Zenith Chronomaster Sport Black Dial Bracelet El Primero 3600 41mm - 03.3100.3600/21.M3100

The Chronomaster Sport is Zenith's take on the highly coveted Rolex Daytona, featuring a distinctive yet subtle sub dials in various colors.

  • Condition: Mint condition, unpolished and no service required
  • Material: Stainless steel
  • Size: 41mm diameter
Posted at
Aug 21, 2025, 12:30 AM
Active
[WTS] Zenith El Primero Chronomaster “Hodinkee” LE

Zenith El Primero Chronomaster “Hodinkee” LE

Zenith - 03.3201.3600 · $7,500
A limited edition Zenith El Primero Chronomaster in collaboration with Hodinkee, featuring a salmon dial and silver sub-dials.

  • Condition: Very good
  • Collaboration: Hodinkee Limited Edition
  • Size: 38mm diameter
  • Movement: Cal 3600
Posted at
Aug 20, 2025, 9:33 PM
Active
[WTS] Buy My Zenith! El Primero Open LNIB

Buy My Zenith! El Primero Open LNIB

A Zenith El Primero Chronomaster Open, sold as-is, with original box and full link bracelet. The watch has been recently timegraphed and keeps great time.

  • Condition: Very good condition
  • Size: 40mm diameter
  • Includes: Original box and full link bracelet
Posted at
Aug 20, 2025, 6:51 PM
Active
[WTS] (two) Zenith el Primero’s

(two) Zenith el Primero’s

Two Zenith El Primero watches for sale: a 40mm model and a 42mm Silver Men's Watch, both in excellent condition.

  • Condition: Mint condition and excellent pre owned
  • Case size: 40mm (left) and 42mm (right)
Posted at
Aug 12, 2025, 10:00 PM
Active
[WTS] Zenith El Primero Chronomaster Hodinkee LE

Zenith El Primero Chronomaster Hodinkee LE

Zenith - 03.3201.3600 · $7,500
a limited edition Zenith El Primero Chronomaster in collaboration with Hodinkee, featuring a salmon dial and silver sub-dials.

  • Condition: Very good condition
  • Movement: Cal 3600
  • Size: 38mm diameter
  • Accessories: Box & Papers
Posted at
Aug 12, 2025, 9:15 PM
Active