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 El Primero 38mm 2022 Ref 03.3600.3200 Panda Dial $5,500

Zenith Chronomaster El Primero 38mm 2022 Ref 03.3600.3200 Panda Dial $5,500

Zenith - 03.3600.3200 · $5,500
This Zenith Chronomaster El Primero is a versatile watch with a panda dial, serviced in 2023 to remove magnetization and polished to mint condition.

  • Condition: Pre-owned in great overall shape, with light scratches on the bracelet.
  • Diameter: 38mm
  • Year: 2022
  • Features: Panda Dial, El Primero Movement
Posted at
Apr 22, 2025, 10:03 PM
Active
[WTS] 2020 Zenith Chronomaster El Primero 42mm Tri Color Silver Dial 03.2040.400 Full Set

2020 Zenith Chronomaster El Primero 42mm Tri Color Silver Dial 03.2040.400 Full Set

2020 Zenith Chronomaster El Primero, a highly iconic chronograph with a silver tri-color dial.

  • Condition: Has at least one small mark on AR coating on crystal, scratches on case and bracelet
  • Case material: Stainless Steel
  • Case dimensions: 42mm diameter
  • Bezel: Stainless Steel
Posted at
Apr 22, 2025, 5:13 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 · $6,955
A Zenith El Primero 38mm Chronomaster in good condition, complete with its original box and papers.

  • Condition: Very Good (Preowned)
  • Case Size: 38mm diameter
  • Wrist Size: 7.25 inches
Posted at
Apr 20, 2025, 5:03 PM
Active
[WTS] Zenith El Primero Rainbow Flyback Chronograph – Ref. 01/02.0470.405

Zenith El Primero Rainbow Flyback Chronograph – Ref. 01/02.0470.405

Zenith - 01/02.0470.405 · $2,650
The Zenith El Primero Rainbow Flyback is an accurate high-performance chronograph featuring a high-beat movement, quickset date mechanism, and a full-body winding rotor. It is one of the most robust, reliable, and accurate automatic chronographs ever produced.

  • Condition: very good condition, one ding in the bezel near the pip
  • Era: Late 1990s
  • Case size: 40mm diameter
  • Lug-to-lug: 46.5mm length
Posted at
Apr 18, 2025, 3:26 PM
Active
[WTS] Zenith Defy El Primero 21 Skeleton Dial Rubber Strap

Zenith Defy El Primero 21 Skeleton Dial Rubber Strap

This Zenith Defy El Primero 21 features a skeleton dial and comes with a rubber strap. It's a lightweight, comfortable watch that's sure to get compliments.

  • Condition: Excellent
  • Size: 44mm diameter
  • Contents: Full set
  • Warranty: 12 month warranty on the watch movement
Posted at
Apr 18, 2025, 11:46 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
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