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

[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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Zenith El Primero Chronomaster Revival Shadow 97.T384.4061/21.C822 ( excellent / 2022 / box and papers )

Zenith - 97.T384.4061/21.C822 · $5,995

Up for sale is an excellent condition Zenith El Primero Chronomaster Revival Shadow, complete with all boxes, papers, and booklets.

Condition: Excellent
Case material: Titanium
Case size: 37mm
Movement: El Primero

Posted at

Apr 16, 2026, 12:24 PM

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Zenith Defy El Primero 21 $5050

Zenith - Defy El Primero 21 · $5,050

A Zenith El Primero 21 is being sold to fund a Credor purchase during the seller's Japan trip.

Condition: Moderate wear, light scratches

Posted at

Apr 13, 2026, 7:32 PM

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Rare Zenith El Primero Captain Winsor Annual Calendar Rose Gold w/ Diamond Markers + Silvered Dial

Zenith - El Primero Captain Winsor Annual Calendar · $24,800

This listing is for a rare Zenith El Primero Captain Winsor Annual Calendar Rose Gold w/ Diamond Markers + Silvered Dial.

Diameter: 44mm

Posted at

Apr 13, 2026, 6:00 PM

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

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

A brand new Zenith Chronomaster Original Reverse Panda, a discontinued model still in its protective stickers.

Condition: Brand new, never used
Case size: not specified
Water resistance: not specified
Strap material: leather

Posted at

Apr 13, 2026, 8:56 AM

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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 legendary watch featuring a tourbillon and chronograph functions in a limited edition of just 50 pieces. It 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.
Movement Type: El Primero automatic chronograph cal 4005
Case Material: 45MM 18K solid white gold
Case Dimensions: 45mm diameter

Posted at

Apr 12, 2026, 9:52 PM

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Zenith El Primero Chronomaster Sport Titanium Full Box & Cards Set Ref 95.3100.3600/39.M3100

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

This is a 2-year-old Zenith El Primero Chronomaster Sport Titanium watch with a gray dial and tri-colored chrono sub-dials. It features a 41mm full titanium case and an iconic chronograph movement.

Condition: like new, with some light wear on the titanium bezel and case sides
Case size: 41mm diameter
Movement type: automatic
Depth rating: 30m water resistance

Posted at

Apr 12, 2026, 8:32 PM

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