Zenith El Primero Chronomaster Open Stainless Steel / Black / Rubber

Reference 03.3300.3604/21.C822

About this watch

The Zenith Chronomaster Open is a masterpiece of luxury watchmaking, combining stunning design with exceptional technical prowess. This stainless steel timepiece boasts a 39.50mm case that strikes a perfect balance between robustness and elegance, while the sunburst black dial provides an excellent backdrop for the luminescent stick and dot indexes. The El Primero 3604 movement is a high-frequency automatic chronograph that measures time with incredible precision, featuring a frequency of 36,000 vibrations per hour and a power reserve of 60 hours. With its modified design, open base plate and bridges create a stunning view of the movement, showcasing Zenith's mastery in timekeeping. The Chronomaster Open is not just a timepiece, but a conversation starter, a piece of history, and a testament to the art of Swiss watchmaking.
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Key Features

  • 39.50mm stainless steel case
  • Sunburst black dial with luminescent indexes
  • El Primero 3604 high-frequency automatic chronograph movement
  • Frequency: 36,000 vibrations per hour
  • Power reserve: 60 hours
  • Modified design with open base plate and bridges
  • Sapphire crystal glass
  • Water resistance: 100m

Specifications

Brand
Zenith
Family
El Primero
Model
Chronomaster Open Stainless Steel / Black / Rubber
Reference
03.3300.3604/21.C822
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 39.5mm
Dial Color
Black
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