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

Zenith Chronomaster Revival 'Airweight Cover Girl' Titanium El Primero - Revolution and The Rake

Zenith - 95.A3818.400/51.M3818 · $9,500

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

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Zenith Chronomaster Sport Black Dial Bracelet El Primero 3600 41mm - 03.3100.3600/21.M3100

Zenith - 03.3100.3600/21.M3100 · $7,300

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

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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

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Buy My Zenith! El Primero Open LNIB

Zenith - 03.3300.3604/69.M3300 · $5,100

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

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