Zenith El Primero Chronomaster Open Stainless Steel / Black / Rubber

Reference 03.3300.3604/21.C822

Zenith Chronomaster Open Stainless Steel / Black / Rubber

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

[US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

Zenith - 03.3120.3600/76.M3100 · $13,400

This Zenith El Primero Chronomaster Sport features a Meteorite Dial and measures 42mm in diameter.

Condition: Fantastic condition, minor hairlines
Case size: 42mm
Diameter: 42mm

Posted at

Jan 13, 2026, 8:12 AM

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Brand New Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Full Zenith warranty | $7500 + shipping

Zenith - 03.3200.3600/21.C903 · $7,500

This brand new Zenith Chronomaster Original Reverse Panda model has been discontinued by the manufacturer and comes with a full 2-year warranty.

Condition: Brand new, never used
Case material:
Strap type: leather strap with deployant clasp
Warranty: 2-year warranty (extendable to 5 years)

Posted at

Jan 12, 2026, 6:11 PM

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Zenith El Primero ref 20.0210.415 cal 3019 PHC

Zenith - 20.0210.415 · $3,500

This Zenith El Primero features the automatic caliber 3019 PHC and a gold-plated case with mineral crystal.

Condition: Excellent working order, may need servicing
Caliber: 3019 PHC automatic
Case material: Gold-plated
Crystal type: Mineral crystal

Posted at

Jan 12, 2026, 9:53 AM

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Zenith Pilot Chronometro Tipo CP-2 Flyback – El Primero 405 - Historical Re-Issue

Zenith - 405 · $42,000

Movement: El Primero 405
Flyback: yes, flyback function

Posted at

Jan 10, 2026, 10:33 AM

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[US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

Zenith - 03.3120.3600/76.M3100 · $13,450

A Zenith El Primero Chronomaster Sport watch in excellent mechanical condition, featuring a 42mm meteorite dial.

Condition: Fantastic condition with minor hairlines
Case Size: 42mm diameter

Posted at

Jan 6, 2026, 8:33 AM

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Zenith Pilot Chronometro Tipo CP-2 Flyback – El Primero – Ref. 11.2240.405/21.C773 Aged Steel

Zenith - 11.2240.405/21.C773 · $4,350

This serious pilot chronograph is robust, purpose-built, and powered by one of the finest automatic chronograph movements ever made.

Case size: 43mm
Movement: El Primero 405 automatic flyback chronograph (5Hz)
Dial color: Matte black dial with vintage-toned lume

Posted at

Jan 3, 2026, 11:05 AM

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Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith - 03.2040.4061/69.C496 · $4,950

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

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Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170

Zenith - 03.2170.4613/01.M2170 · $4,000

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

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