Zenith El Primero Chronomaster Open Stainless Steel / Silver / Rubber

Reference 03.3300.3604/69.C823

Zenith Chronomaster Open Stainless Steel / Silver / Rubber

About this watch

The Zenith Chronomaster Open 03.3300.3604/69.C823 is a masterpiece of horology, showcasing the brand's dedication to precision and luxury. This stunning timepiece features a round case crafted from high-quality stainless steel, boasting a diameter of 39.50 mm. The sunburst finish on the silver dial catches the light beautifully, giving it a dynamic and eye-catching appearance. One of the standout features is the open dial, providing a window into the intricate workings of the movement. The stick and dot indexes add a touch of elegance, while the stick hands are designed for easy readability. Comfort is key when it comes to wearing a watch, and Zenith doesn't disappoint with its rubber strap, which adds a sporty touch and ensures durability and comfort. The El Primero 3604 automatic chronograph movement boasts high precision and reliability, operating at 5Hz and measuring time with a precision of 1/10th of a second. With a power reserve of 60 hours, you can confidently wear it without worrying about winding it daily. Certified as a chronometer, this watch will keep time impeccably. The sapphire glass is scratch-resistant and provides a clear view of the dial, while the stainless steel case ensures durability in everyday wear. With a water resistance of 100 meters, this watch is suitable for swimming and snorkeling. The combination of Swiss craftsmanship, innovative movement, and timeless design makes this watch a worthy addition to any collection.
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Key Features

  • Zenith caliber El Primero 3604 automatic chronograph movement
  • Stainless Steel case with sapphire glass
  • Water Resistance: 100 meters
  • Power Reserve: 60 hours
  • 5Hz frequency for precise timekeeping
  • Certified Chronometer for accurate timekeeping

Specifications

Brand
Zenith
Family
El Primero
Model
Chronomaster Open Stainless Steel / Silver / Rubber
Reference
03.3300.3604/69.C823
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 39.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith - 03.3200.3600/69.C902 · $7,250
A 2023 Zenith Chronomaster Original 'El Primero' 38mm watch on a blue leather deployant strap, with an included OEM steel bracelet.

  • Condition: Like new
  • Bracelet type: OEM steel integrated
  • Strap type: Zenith blue leather deployant
Posted at
Feb 5, 2026, 8:29 PM
Active
View listing on r/WatchExchange
[WTS] Zenith - 49.9010.9004/01.R947 Defy El Primero 21 Chroma 🎨 limited to 200 pieces

Zenith - 49.9010.9004/01.R947 Defy El Primero 21 Chroma 🎨 limited to 200 pieces

Zenith - 49.9010.9004/01.R947 · $10,500
This listing is for a Zenith Defy El Primero 21 Chroma limited to 200 pieces, which is a complete set from 2022.

  • Condition: Mint condition
  • Year: 2022
  • Quantity Produced: limited to 200 pieces
Posted at
Feb 5, 2026, 1:22 PM
Active
View listing on r/WatchExchange
[WTS] 2017 Zenith Chronomaster El Primero "Open Heart" 03.2040.4061/23.C496 - Box/Papers, Two Straps, Excellent Shape

2017 Zenith Chronomaster El Primero "Open Heart" 03.2040.4061/23.C496 - Box/Papers, Two Straps, Excellent Shape

Zenith - 03.2040.4061/23.C496 · $5,999
The Zenith Chronomaster El Primero 'Open Heart' is a striking example of an open heart masterpiece, highlighting the legendary El Primero movement through an open-heart aperture on the dial.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm
  • Movement Power Reserve: ~50-hour
  • Water Resistance: 100m depth rating
Posted at
Feb 5, 2026, 12:37 AM
Active
View listing on r/WatchExchange
[WTS] Zenith El Primero Chronograph - Serviced w/Extras

Zenith El Primero Chronograph - Serviced w/Extras

Zenith - 20-0010.420 · $3,350
A Zenith El Primero Chronograph with a gold filled case and 38mm diameter, featuring the Cal.420 movement.

  • Case diameter: 38mm
  • Lug width: 20mm
  • Lug to lug: 45mm
Posted at
Feb 2, 2026, 10:26 AM
Active
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[WTS] Zenith Defy 21 Chroma El Primero (2022) – Ceramic – Full Set – Limited 200 €6950

Zenith Defy 21 Chroma El Primero (2022) – Ceramic – Full Set – Limited 200 €6950

Zenith - 49.9010.9004/01.R947 · $6,950
A 2022 Zenith Defy 21 Chroma El Primero with a ceramic case and limited to only 200 pieces worldwide. It's powered by the legendary El Primero chronograph movement and features an original retail price north of €14,000.

  • Condition: Excellent with minor cosmetic wear on the case near the lugs
  • Case material: Ceramic
  • Movement type: El Primero chronograph
  • Water resistance depth: 100m
Posted at
Feb 2, 2026, 6:19 AM
Active
View listing on r/WatchExchange
[WTS][US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

Zenith - 03.3120.3600/76.M3100 · $13,300
Up for sale is a Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with minor hairlines
  • Water Resistance: 30m
  • Case Size: 42mm diameter
  • Band Material: bracelet
Posted at
Jan 27, 2026, 8:00 AM
Active
View listing on r/WatchExchange
[WTS] Brand New Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Full Zenith warranty | Price reduced

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

Zenith - 03.3200.3600/21.C903 · $7,150
A brand new Zenith Chronomaster Original Reverse Panda El Primero chronograph, discontinued by the manufacturer, still in its protective stickers and under full warranty.

  • Condition: Brand new, never used
  • Warranty: 2-year warranty from Zenith
  • Strap: Original leather strap with deployant clasp
Posted at
Jan 25, 2026, 4:06 PM
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[WTS] Zenith El Primero Defy Extreme Diver AKA PURE WRIST JOY Ref 95.9601.3620/51.I301 FULL SET

Zenith El Primero Defy Extreme Diver AKA PURE WRIST JOY Ref 95.9601.3620/51.I301 FULL SET

Zenith - 95.9601.3620/51.I301 · $7,950
A Zenith El Primero Defy Extreme Diver with a unique blue starry sunray pattern dial and a titanium case.

  • Condition: Pre-owned, barely over a year old
  • Case size: 42.5MM diameter
  • Movement: El Primero cal 3620 CS automatic movement
Posted at
Jan 24, 2026, 7:53 PM
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Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

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
Active
View listing on RolexForums