Zenith El Primero Chronomaster Open Stainless Steel / Black / Bracelet

Reference 03.3300.3604/21.M3300

Zenith Chronomaster Open Stainless Steel / Black / Bracelet

About this watch

The Zenith Chronomaster Open is a stunning timepiece that perfectly marries style and function. From its rich heritage and reliable movement to its elegant design, it ticks all the boxes for anyone in search of a luxury watch. The round stainless steel case, measuring 39.50 mm, strikes the perfect balance between presence and wearability. The sunburst black dial adds a touch of depth, catching the light in a way that makes it utterly mesmerizing. The chronograph feature is where this watch truly shines, with its column wheel mechanism allowing for seamless starting, stopping, and resetting. With its 1/10th of a second automatic chronograph movement, this watch is a testament to Zenith's commitment to precision and innovation.

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Key Features

Zenith caliber El Primero 3604 movement
Stainless steel case with 39.50 mm diameter
Sapphire crystal glass for durability
100 m water resistance for versatility
60 hour power reserve for reliability
Column wheel chronograph mechanism for precision
Open base plate and bridges for transparency

Specifications

Brand

Zenith

Family

El Primero

Model

Chronomaster Open Stainless Steel / Black / Bracelet

Reference

03.3300.3604/21.M3300

Movement Features

Hours, Minutes, Small Seconds
Chronograph, Column wheel

Case

Stainless Steel 39.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

100

Current Listings

TOURBILLON FOR THE WIN! 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 is a legendary chronograph with the added feature of a tourbillon, presented in a limited edition of just 50 made. This watch comes in a beautiful collector set including an appraisal from Zenith showing a value of six figures.

Condition: really clean condition, including the sapphire crystal
Case size: 45mm diameter
Material: 18K solid white gold
Movement: El Primero automatic chronograph cal 4005

Posted at

Apr 26, 2026, 10:45 PM

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

Zenith - 03.9500.3600/01.I001 · $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

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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 · $7,525

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

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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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