Zenith El Primero Chronomaster Open Stainless Steel / Blue / Boutique Edition

Reference 03.3300.3604/51.M3300

About this watch

The Zenith Chronomaster Open Stainless Steel / Blue / Boutique Edition is a masterpiece that embodies innovation and tradition. Its stunning blue dial with sunburst finish catches the light beautifully, giving it a dynamic look that changes with your movement. The round stainless steel case measures 39.50 mm in diameter, offering a perfect balance of presence without being overly bulky. The open-heart design allows you to peek into the intricate workings of the watch, making it not just a timekeeper, but a conversation starter. With a water resistance of 100 meters, this watch is built to withstand the elements. At its core lies the Zenith caliber El Primero 3604, an automatic chronograph movement that measures time to a precision of 1/10th of a second and features a power reserve of up to 60 hours. The stainless steel case adds durability while enhancing the overall aesthetic, complemented by sapphire crystal glass that ensures scratch-resistance. Wearing the Chronomaster Open is an experience in itself, striking a perfect balance for most wrists with its comfortable fit. Whether dressing up or going casual, this watch complements any outfit due to its versatility and excellent after-sales service offered by Zenith.

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Key Features

Automatic chronograph movement (El Primero 3604)
Water resistance of 100 meters
Stainless steel case with sapphire crystal glass
Open-heart design for intricate workings visibility
Power reserve of up to 60 hours
Frequency of 36,000 vibrations per hour
Lubricant-free silicon escapement

Specifications

Brand

Zenith

Family

El Primero

Model

Chronomaster Open Stainless Steel / Blue / Boutique Edition

Reference

03.3300.3604/51.M3300

Movement Features

Hours, Minutes, Small Seconds
Chronograph, Column wheel

Case

Stainless Steel 39.5mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

100

Current Listings

1970's Movado Zenith El Primero Mens Vintage Chronograph 01.0180.434 with Papers

Movado Zenith - 01.0180.434 · $3,950

A 1970s Movado Zenith El Primero Mens Vintage Chronograph featuring a stainless steel case, original silver dial, and automatic chronograph movement. It comes with papers, including a zenith manual and warranty card.

Condition: Very nice preowned condition with light scratches and wear, minor crystal chips, patina on hands and dial
Case material: Stainless Steel
Case dimensions: 38mm diameter
Bezel material: Stainless Steel

Posted at

Jun 13, 2025, 7:42 PM

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>>FINAL PRICE<< ZENITH DEFY EL PRIMERO LAND ROVER LIMITED EDITION

Zenith - 97.9000.9004/01.R787 · $6,750.007

The Zenith Defy El Primero 21 Land Rover Limited Edition is a unique timepiece that features a bead blasted titanium case and a dark gray dial with orange accents. It boasts the new El Primero in-house movement, which measures time to 1/100 second, and comes with a range of accessories.

Condition: MINT
Case diameter: 44mm
Movement: El Primero in-house movement

Posted at

Jun 13, 2025, 4:48 PM

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Zenith El Primero 03.2522.400

Zenith - 03.2522.400 · $3,800.004

A Zenith El Primero Skeleton in 45mm size, functioning as it should with the exception of a slight reset issue.

Condition: Pre-owned with some functional issues (chronograph resets slightly before 12)
Case Size: 45mm diameter
Full Kit: yes

Posted at

Jun 10, 2025, 5:39 PM

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[US] Zenith Defy El Primero 21 Ultra Blue - 44mm - 97.9001.9004/81.R946 - Full Set

Zenith - 97.9001.9004/81.R946 · $8,300

The Zenith Defy El Primero 21 Ultra Blue is a 44mm watch that functions perfectly mechanically.

Condition: Fantastic condition, no hairlines on clasp or case
Case size: 44mm diameter

Posted at

Jun 9, 2025, 7:58 AM

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ZENITH El Primero Chronograph 18K Rose Gold 42mm Limited Edition Watch Ref. 18.2045.400 ALL Original!

Zenith - 18.2045.400

Posted at

Jun 7, 2025, 1:06 PM

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Zenith Defy Skyline El Primero Chronograph 42mm Silver Dial 03.9500.3600 Full Set

Zenith - 03.9500.3600 · $7,999

42mm Zenith Defy Skyline El Primero Chronograph with silver dial, stainless steel case, and 1/10th of a second chronograph function.

Condition: has some light scratches on bezel and bracelet
Case size: 42mm
Dial color: silver

Posted at

Jun 4, 2025, 9:29 PM

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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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