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 El Primero 36'000 VpH 18.2040.400/01.C494 ♦️Lightly Used 2023♦️

Zenith - 18.2040.400/01.C494

Condition: lightly used

Posted at

Mar 26, 2026, 2:04 AM

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Zenith El Primero ref. 01.0200.415 Big Blue circa 1973

Zenith - 01.0200.415 · $5,350

A Zenith El Primero ref. 01.0200.415 Big Blue circa 1973, a legendary high-frequency automatic chronograph movement with an oversized TV-shaped case and vibrant blue dial.

Condition: Excellent for its age with light signs of polish and a recent private service
Movement frequency: 5 Hz (36,000 vph)
Bezel function: Chronograph
Case size: 42mm diameter

Posted at

Mar 25, 2026, 7:45 PM

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Zenith El Primero “Open Heart” - One of the Greatest Movements of all time

Zenith - 03.0520.4021 · $2,850

This is a Zenith El Primero “Open Heart” watch in the rare white dial variant, featuring an open-heart design that shows the escapement working and a high-beat chronograph movement.

Condition: Very Good
Movement: El Primero high-beat automatic chronograph (36,000 vph)
Case diameter: ~42 mm
Crystal type: Sapphire

Posted at

Mar 25, 2026, 11:31 AM

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Zenith El Primero Port Royal V

Zenith - 01/02.0450.400 · $2,550

The Zenith Port Royal V El Primero features a cool design with symmetry and attention to detail, perfect for most folks due to its Goldilocks size.

Condition: Excellent shape cosmetically; some surface level hairlines on case and bracelet
Case thickness: 12.5mm
Bracelet length: 17cm
Extra links included: 2

Posted at

Mar 24, 2026, 7:07 PM

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Zenith El Primero Flyback 18K Grand Chronomaster XT Collector Set - Whole Lotta Gold!

Zenith - 35.1250.4009 · $12,850

The Zenith El Primero Flyback 18K Grand Chronomaster XT Collector Set is a stunning large and in charge dress watch featuring an incredible dial with guilloche work. It comes in a collector set ready to stand out of the dress watch crowd.

Condition: Mint
Case diameter: 43MM
Material: 18K solid yellow gold
Movement type: Automatic chronograph

Posted at

Mar 23, 2026, 8:18 PM

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Zenith El Primero Chronomaster Triple Calendar Hodinkee Meteorite Limited Edition 1 of 200

Zenith - 03.3401.3610/21.M3200 · $13,500

This limited edition Zenith El Primero Chronomaster Triple Calendar features a sporty reverse-panda setup with meteorite subdials, produced in collaboration with Hodinkee. The watch is complete with an unworn metal bracelet and leather strap, as well as a travel case and other accessories.

Condition: like new
Case diameter: 38.0mm
Thickness: 14mm
Water resistance: 50m

Posted at

Mar 23, 2026, 1:45 PM

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Zenith El Primero Tourbillon Chronograph XXT 18K White Gold - Just 50 Made w/ A Six Figure Retail!

Zenith - 65.1260.4005/21.C505 · $21,950

The Zenith El Primero Tourbillon Chronograph XXT is a limited edition of just 50 made in full 18 karat white gold. It features an incredible tourbillon and comes with a six-figure retail value, as well as a collector set including an appraisal from Zenith.

Condition: Really clean condition, minimal wear throughout
Case Diameter: 45MM
Movement Type: El Primero automatic chronograph cal 4005
Strap Material: Zenith black leather

Posted at

Mar 22, 2026, 7:40 PM

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Zenith El Primero “Open Heart” - Increadible Value

Zenith - 03.0520.4021 · $2,950

This is a Zenith El Primero “Open Heart” with a rare white dial variant, featuring the iconic high-beat chronograph movement and an open-heart design.

Condition: Very Good
Case Size: ~42mm diameter
Movement Frequency: 36,000 vph (high-beat)
Crystal Type: Sapphire crystal

Posted at

Mar 18, 2026, 1:50 PM

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Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith - 96 1969 469/ 77 C683 · $6,137

The seller is listing a Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary watch, which was produced in Q3 2014. This limited edition model comes with a full set of box and papers.

Condition: Lightly Used
Year Of Manufacture: 1969
Limited Edition: True (40th Anniversary)
Box And Papers: Yes (full set)

Posted at

Mar 18, 2026, 5:56 AM

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