Zenith El Primero Chronomaster Open Rose Gold / Silver / Calf

Reference 18.3300.3604/69.C922

About this watch

The Zenith Chronomaster Open Rose Gold / Silver / Calf is a prime example of luxury watchmaking, combining elegant design with groundbreaking movement technology. This stunning timepiece features a rose gold case, silver sunburst dial, and calf leather strap, creating a sophisticated look that's perfect for formal occasions or casual outings. The round case measures 39.50 mm in diameter, ensuring it suits various wrist sizes. A sapphire crystal protects the dial, while an open case back allows you to admire the intricate El Primero 3604 movement within. This automatic chronograph movement operates at a remarkable frequency of 36,000 vibrations per hour, providing precision that few watches can match. With a central chronograph hand completing one full rotation every 10 seconds, you can measure elapsed time with remarkable accuracy. The calf leather strap adds a luxurious touch while ensuring comfort on the wrist. Certified as a chronometer, this watch has passed rigorous testing for accuracy and performance, making it perfect for those who value punctuality. With a power reserve of 60 hours, you can leave your watch unworn over the weekend and still find it ticking away on Monday morning.
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Key Features

  • Automatic Chronograph Movement with 36,000 VPH Frequency
  • Rose Gold Case with Sapphire Crystal
  • Silver Sunburst Dial with Stick and Dot Indexes
  • Calf Leather Strap for Comfort and Durability
  • 1/10th of a Second Chronograph Functionality
  • 100 Meter Water Resistance
  • 60 Hour Power Reserve

Specifications

Brand
Zenith
Family
El Primero
Model
Chronomaster Open Rose Gold / Silver / Calf
Reference
18.3300.3604/69.C922
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Rose Gold 39.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,950

Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,950

This 2024 Zenith Defy Skyline Chronograph features the El Primero 3600 movement, a high-beat automatic chronograph with a 1/10th-second hand. The watch is powered by a column wheel chronograph with vertical clutch and has a 60-hour power reserve.

  • Condition: Excellent
  • Movement: El Primero 3600
  • Frequency: 36,000 vph (5Hz)
  • Power reserve: 60 hours
Posted at
Apr 26, 2026, 4:52 PM
Active
[WTS][US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

Up for sale is a Zenith El Primero Chronomaster Sport - White Dial - 41mm - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with few hairlines
  • Case Size: 41mm
Posted at
Apr 24, 2026, 8:41 AM
Active
[WTS] Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | Still under Zenith warranty

Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | Still under Zenith warranty

This Zenith Chronomaster Original Reverse Panda is a brand new, discontinued model still under warranty and comes on the original leather strap.

  • Condition: Brand new, never used
  • Warranty type: 2-year with optional 3-year extension
  • Strap material: leather
  • Box type: LVMH
Posted at
Apr 22, 2026, 12:01 PM
Active
[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $8,050

Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $8,050

This is a Zenith Defy Skyline Chrono Silver with an El Primero movement, featuring a silver 'Starry Sky' dial and integrated stainless steel bracelet.

  • Condition: Excellent
  • Movement: El Primero 3600, automatic chronograph
  • Frequency: 36,000 vph (5Hz)
  • Power Reserve: 60 hours
Posted at
Apr 21, 2026, 3:45 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, 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
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

This is a Zenith El Primero Chronomaster Open Heart chronograph watch, featuring a 42mm stainless steel case and powered by the Caliber Zenith El Primero 4061 movement.

  • Condition: Mint Condition with light hairline scratches
  • Case diameter: 42mm
  • Movement frequency: 36,000 VPH
  • Power reserve: 50 hour PR
Posted at
Mar 4, 2025, 12:09 PM
Active