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

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

Zenith - 03.3200.3600/21.C903 · $6,999

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

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

Zenith - 03.9500.3600/01.I001 · $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

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Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set JUST 50 MADE!

Zenith - 65.1260.4005/21.C505 · $21,250

The Zenith El Primero Tourbillon Chronograph is a limited edition of just 50 made in full 18 karat white gold, featuring a tourbillon and automatic chronograph cal 4005.

Condition: Really clean condition, with minimal wear on the case
Movement: El Primero automatic chronograph cal 4005
Case Size: 45MM diameter
Case Material: 18K solid white gold

Posted at

Apr 19, 2026, 10:25 PM

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Zenith El Primero Titanium Chronomaster Sport FULL SET Ref 95.3100.3600/39.M3100

Zenith - 95.3100.3600/39.M3100 · $8,650

The Zenith El Primero Chronomaster Sport is a titanium version of the iconic chronograph movement in a modern automatic calibre 3600. It features a gray dial, tri-colored chrono sub-dials, and a sapphire case allowing for viewing of the rotor.

Condition: Excellent, some light wear on titanium bezel and case sides
Movement: El Primero cal 3600 automatic
Case size: 41mm diameter
Bracelet length: 7.25 inches, adjustable with two additional links

Posted at

Apr 19, 2026, 8:42 PM

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

Zenith - 03.3100.3600/69.M3100 · $7,550

Up for sale is a Zenith El Primero Chronomaster Sport with a white dial and 41mm case, featuring a perfectly working mechanical movement.

Condition: Fantastic condition with few hairlines on clasp, case, and bracelet
Diameter: 41mm
Case Condition: few hairlines on clasp, case, and bracelet

Posted at

Apr 17, 2026, 6:30 AM

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Zenith “Open Heart” - El Primero Movement - Price Reduced

Zenith - 03.0520.4021 · $2,550

A Zenith El Primero automatic chronograph with an open-heart design and a rare white dial variant.

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

Posted at

Apr 16, 2026, 8:32 PM

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1970 Zenith El Primero A385 Chronograph - $7,250

Zenith - A385 · $7,250

This Zenith El Primero A385 is a limited edition chronograph from the late 1960s and early 1970s, featuring an automatic movement that was historically significant for its time. It has been well maintained and is in excellent condition with minimal signs of wear.

Condition: Excellent
Movement caliber: 3019 PHC/400
Case dimensions: [object Object]
Power reserve: 50 hours

Posted at

Apr 16, 2026, 8:05 PM

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