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

Reference 03.3300.3604/51.M3300

Zenith Chronomaster Open Stainless Steel / Blue / Boutique Edition

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

[WTS] Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith - 96 1969 469/77 C683 · $6,230
This is a Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary watch, produced in 2014. It comes with the full set of box and papers.

  • Condition: Lightly Used
  • Year: 2014
  • Box And Papers: includes full set
  • Shipping Cost: 150
Posted at
May 6, 2026, 5:36 AM
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[WTS] Zenith “Open Heart” - El Primero Movement - Sexy AF

Zenith “Open Heart” - El Primero Movement - Sexy AF

Zenith - 03.0520.4021 · $2,350
A rare white dial Zenith El Primero 'Open Heart' automatic chronograph watch featuring an open-heart design and high-beat movement.

  • Condition: Very Good
  • Dial color: white
  • Case size: 42mm diameter
  • Movement: El Primero high-beat automatic chronograph (36,000 vph)
Posted at
May 5, 2026, 8:22 PM
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[WTS] Zenith El Primero Chronomaster Poker Chip 97.G383.400/38.C881 ♦️Like New 2022♦️

Zenith El Primero Chronomaster Poker Chip 97.G383.400/38.C881 ♦️Like New 2022♦️

Zenith - 97.G383.400/38.C881 · $8,400
A Zenith El Primero Chronomaster Poker Chip from 2022, in excellent condition with box and papers.

  • Condition: Like New
  • Year Of Production: 2022
  • Case Condition: Like New
  • Includes Accessories: Full set (box & papers)
Posted at
May 5, 2026, 2:26 AM
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[WTS] OG Zenith El Primero Flyback Chronograph - For The French Military - Ref 02.0470.405/25 - FULL COLLECTOR SET

OG Zenith El Primero Flyback Chronograph - For The French Military - Ref 02.0470.405/25 - FULL COLLECTOR SET

Zenith - 02.0470.405/25 · $4,250
This is an original Zenith El Primero Flyback Chronograph designed for French military aviation, featuring a matte black dial and a 40MM stainless case.

  • Condition: Very good condition, with wear throughout
  • Dial: matte black dial with clean chronograph layout and lume
  • Case: 40MM diameter stainless steel case in unpolished condition
  • Bracelet: original stainless Zenith bracelet with double butterfly clasp, fits up to 7 inches
Posted at
May 4, 2026, 8:41 PM
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[WTS] INSANE Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set Just 50 Made!

INSANE Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set Just 50 Made!

Zenith - 65.1260.4005/21.C505 · $20,950
The Zenith El Primero is a legendary chronograph featuring a tourbillon, a limited edition of just 50 made in full 18 karat white gold. It comes with a beautiful collector set and an appraisal showing a value of six figures.

  • Condition: Really clean condition, minimal wear throughout
  • Case Diameter: 45mm
  • Movement: El Primero automatic chronograph cal 4005
Posted at
May 3, 2026, 10:49 PM
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[WTS] Zenith El Primero ref. 01.0200.415 Big Blue circa 1973

Zenith El Primero ref. 01.0200.415 Big Blue circa 1973

Zenith - 01.0200.415 · $4,995
The Zenith El Primero is a legendary high-frequency automatic chronograph movement first introduced in 1969, featuring an integrated automatic chronograph movement that beats at 5 Hz (36,000 vph) and allows it to measure elapsed time with a precision of 1/10th of a second. The watch has a 'space-age' 1970s aesthetic and rocker style pushers.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Lug to lug: 44h
  • Thickness: 14.3mm
Posted at
May 3, 2026, 8:02 PM
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[WTS] Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | June 2025 Zenith warranty

Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | June 2025 Zenith warranty

Zenith - 03.3200.3600/21.C903 · $6,900
The Zenith Chronomaster Original El Primero Chronograph Reverse Panda is a discontinued model that comes with a brand new Zenith leather strap and a deployant clasp. It features the original protective stickers still intact.

  • Condition: Brand new, unused
  • Warranty Start Date: June 2025
  • Shipping Method: USPS Registered Mail
  • Shipping Restriction: CONUS only
Posted at
May 2, 2026, 5:07 PM
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[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,850

Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,850

Zenith - 03.9500.3600/01.I001 · $7,850
This Zenith Defy Skyline Chronograph features the El Primero 3600 movement, a high-beat automatic chronograph with a 60-hour power reserve and 35 jewels. The watch has a silver/white 'Starry Sky' dial and is available in full set, including an integrated stainless steel bracelet and OEM Zenith green rubber strap.

  • Condition: Excellent
  • Movement: El Primero 3600, automatic chronograph
  • Frequency: 36,000 vph (5Hz)
  • Power reserve: 60 hours
Posted at
May 2, 2026, 12:50 PM
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[WTS][US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

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

Zenith - 03.3100.3600/69.M3100 · $7,550
A Zenith El Primero Chronomaster Sport featuring a white dial and 41mm case size is up for sale.

  • Condition: Fantastic condition with few hairlines
  • Case diameter: 41mm
  • Bracelet length: fully linked
Posted at
Apr 30, 2026, 8:10 AM
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