Zenith El Primero El Primero Chronomaster Full Open 42 Stainless Steel / Rose Gold / Strap / Alligator

Reference 51.2081.400/78.C810

About this watch

Immerse yourself in the world of luxury watches with the Zenith El Primero Chronomaster Full Open 42 (model: 51.2081.400/78.C810). This stunning piece combines sophistication with state-of-the-art technology, making it a must-have for any watch enthusiast. The combination of stainless steel and rose gold gives it a luxurious yet sporty appearance. The open dial showcases the intricate workings of the movement, inviting you to appreciate the artistry within. At the heart of this timepiece is the Zenith caliber El Primero 400B movement, boasting a frequency of 36,000 vibrations per hour for an accuracy of 1/10th of a second. This automatic movement offers range of features that make it incredibly functional, including a convenient date display and chronograph function perfect for timing events with precision. The watch is paired with a luxurious alligator leather strap that enhances its elegance while ensuring a comfortable fit on the wrist. With a water resistance of up to 100 meters, you can confidently wear this beauty while swimming or during a rainy day without worrying about water damage. Its impressive 50-hour power reserve allows it to easily keep up with your busy lifestyle.
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Key Features

  • Zenith caliber El Primero 400B movement
  • 42mm stainless steel and rose gold case
  • Sapphire crystal glass
  • 100m water resistance
  • Chronograph function with precision timing
  • Convenient date display
  • Luxurious alligator leather strap

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Full Open 42 Stainless Steel / Rose Gold / Strap / Alligator
Reference
51.2081.400/78.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 El Primero Chronograph

Zenith El Primero Chronograph

Zenith - El Primero · $4,800
  • Movement: El Primero
Posted at
Jun 18, 2025, 7:03 PM
Active
[WTS] Zenith El Primero Chronograph ref 01.0500.400

Zenith El Primero Chronograph ref 01.0500.400

Zenith - 01.0500.400 · $2,375
This listing features the Zenith El Primero Chronograph, a high-end watch with a legendary in-house movement, the El Primero cal. 400.

  • Condition: Pre-owned, with minor cosmetic damage (flea bites)
  • Movement Type: El Primero
  • Movement Calibre: cal. 400
  • Case Diameter: 38mm
Posted at
Jun 18, 2025, 2:48 PM
Active
[WTS] 1970's Movado Zenith El Primero Mens Vintage Chronograph 01.0180.434 with Papers

1970's Movado Zenith El Primero Mens Vintage Chronograph 01.0180.434 with Papers

Movado Zenith - 01.0180.434 · $3,950
A 1970s Movado Zenith El Primero Mens Vintage Chronograph featuring a stainless steel case, original silver dial, and automatic chronograph movement. It comes with papers, including a zenith manual and warranty card.

  • Condition: Very nice preowned condition with light scratches and wear, minor crystal chips, patina on hands and dial
  • Case material: Stainless Steel
  • Case dimensions: 38mm diameter
  • Bezel material: Stainless Steel
Posted at
Jun 13, 2025, 7:42 PM
Active
>>FINAL PRICE<< ZENITH DEFY EL PRIMERO LAND ROVER LIMITED EDITION

>>FINAL PRICE<< ZENITH DEFY EL PRIMERO LAND ROVER LIMITED EDITION

Zenith - 97.9000.9004/01.R787 · $6,750.007
The Zenith Defy El Primero 21 Land Rover Limited Edition is a unique timepiece that features a bead blasted titanium case and a dark gray dial with orange accents. It boasts the new El Primero in-house movement, which measures time to 1/100 second, and comes with a range of accessories.

  • Condition: MINT
  • Case diameter: 44mm
  • Movement: El Primero in-house movement
Posted at
Jun 13, 2025, 4:48 PM
Active
Zenith El Primero 03.2522.400

Zenith El Primero 03.2522.400

Zenith - 03.2522.400 · $3,800.004
A Zenith El Primero Skeleton in 45mm size, functioning as it should with the exception of a slight reset issue.

  • Condition: Pre-owned with some functional issues (chronograph resets slightly before 12)
  • Case Size: 45mm diameter
  • Full Kit: yes
Posted at
Jun 10, 2025, 5:39 PM
Active
[WTS][US] Zenith Defy El Primero 21 Ultra Blue - 44mm - 97.9001.9004/81.R946 - Full Set

[US] Zenith Defy El Primero 21 Ultra Blue - 44mm - 97.9001.9004/81.R946 - Full Set

The Zenith Defy El Primero 21 Ultra Blue is a 44mm watch that functions perfectly mechanically.

  • Condition: Fantastic condition, no hairlines on clasp or case
  • Case size: 44mm diameter
Posted at
Jun 9, 2025, 7:58 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