Zenith El Primero Chronomaster Open Stainless Steel / Silver / Bracelet

Reference 03.3300.3604/69.M3300

About this watch

When it comes to luxury watches, few brands command respect like Zenith. Renowned for its precision and craftsmanship, Zenith has introduced the Chronomaster Open Stainless Steel / Silver / Bracelet (Model: 03.3300.3604/69.M3300). This stunning timepiece is not just a watch; it's a statement. Let’s dive into the intricacies of this remarkable watch and see what makes it a standout in the world of horology. The Zenith Chronomaster Open boasts a beautifully crafted stainless steel case with a diameter of 39.50 mm, striking a perfect balance between presence and wearability. The sunburst finish gives it a striking appearance, reflecting light in a way that catches the eye without being overly flashy. The stainless steel bracelet enhances the watch's elegance while ensuring durability. It feels solid on the wrist, yet comfortable enough for daily wear. The design is both modern and classic, making it versatile enough to pair with various outfits. The dial of this watch is where the magic truly happens. The open heart design allows you to glimpse the inner workings of the watch, showcasing the exquisite craftsmanship of the El Primero movement. The silver color provides a clean and sophisticated look, while the stick and dot indexes add a touch of modernity. The hands are also designed with precision in mind; they’re stick-shaped, ensuring readability while maintaining an elegant aesthetic. The central chronograph hand is particularly noteworthy, making one full turn every 10 seconds, which is a unique feature that adds to the watch's sporty character. What sets the Chronomaster Open apart is its movement. The El Primero 3604 is a modified version of the 3600 that debuted in the CHRONOMASTER Sport. It’s an automatic chronograph that can measure and display time down to the 1/10th of a second. With a frequency of 36,000 vibrations per hour, the 3604 offers a level of precision that is hard to match. The movement features a stop-second mechanism, allowing you to set the time accurately, which is essential for a watch of this caliber. The El Primero 3604 boasts an impressive power reserve of 60 hours. This means you can take it off for a weekend and still find it ticking away when you put it back on. The automatic winding mechanism is efficient, utilizing a lubricant-free silicon escape wheel and pallet lever, which minimizes maintenance and enhances durability. With a water resistance of 100 meters, the Zenith Chronomaster Open is not just a pretty face. It’s built to withstand splashes and even brief swims. Whether you’re caught in a rain shower or enjoying a day at the beach, you can trust this watch to keep ticking without missing a beat.
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Key Features

  • Automatic chronograph movement (El Primero 3604)
  • Stainless steel case with sunburst finish
  • Sapphire crystal glass
  • 100m water resistance
  • 60-hour power reserve
  • Stop-second mechanism for accurate time-setting
  • High-frequency movement with 1/10th of a second chronograph

Specifications

Brand
Zenith
Family
El Primero
Model
Chronomaster Open Stainless Steel / Silver / Bracelet
Reference
03.3300.3604/69.M3300
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 39.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
100

Current Listings

>>REDUCED FURTHER<< ZENITH DEFY EL PRIMERO CHRONOGRAPH LAND ROVER LIMITED EDITION

>>REDUCED FURTHER<< ZENITH DEFY EL PRIMERO CHRONOGRAPH LAND ROVER LIMITED EDITION

Zenith - 97.9000.9004/01.R787 · $6,850.007
The Zenith Defy El Primero 21 Land Rover Limited Edition is a 44mm titanium watch featuring an in-house movement that measures time to 1/100 second, with a dark gray dial and orange accents.

  • Condition: MINT
  • Case material: bead blasted titanium
  • Case diameter: 44mm
  • Movement type: in house El Primero movement
Posted at
Apr 27, 2025, 6:42 PM
Active
Zenith Defy El Primero 21 44MM Skeleton Dial Rubber Strap (49.9000.9004/78.R782)

Zenith Defy El Primero 21 44MM Skeleton Dial Rubber Strap (49.9000.9004/78.R782)

Zenith - 49.9000.9004/78.R782 · $7,800.008
A well-crafted chronograph that balances technical innovation with a contemporary design, featuring a skeleton dial and 1/100th of a second chronograph.

  • Condition: Excellent
  • Case material: Black Ceramic
  • Band material: Rubber
  • Water resistance: 100 meters (330 feet)
Posted at
Apr 26, 2025, 12:38 AM
Active
[WTS] Zenith El Primero 38mm Original Chronomaster Chronograph ref 03.3200.3600

Zenith El Primero 38mm Original Chronomaster Chronograph ref 03.3200.3600

Zenith - 03.3200.3600 · $4,999
This is a 38mm Zenith El Primero chronograph with a tri-colored panda dial and a 36,000 VpH movement.

  • Condition: Excellent
  • Movement Frequency: 5 Hz
  • Case Size: 38mm
Posted at
Apr 25, 2025, 4:15 PM
Active
WTS Zenith Defy El Primero 21 Blue Skeleton Dual Escapement Chronograph 44mm Titanium Complete 2018

WTS Zenith Defy El Primero 21 Blue Skeleton Dual Escapement Chronograph 44mm Titanium Complete 2018

Zenith - 95.9002.9004/78.R584 · $5,950.006
The Zenith Defy El-Primero 21 is a Dual Escapement Chronograph Skeletonized watch with a 44mm Titanium Case, dated August 2018. It features the fastest and most precise manufacture chronograph movement in production, operating at a rate of 50Hz.

  • Condition: Mint Condition
  • Case size: 44mm
  • Movement frequency: 50Hz
  • Accuracy: 1/100th of a second
Posted at
Apr 24, 2025, 1:16 PM
Active
[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