Zenith El Primero Chronomaster Open Stainless Steel / Silver / Bracelet
Reference 03.3300.3604/69.M3300
About this watch
When it comes to luxury watches, few brands command respect like Zenith. Renowned for its precision and craftsmanship, Zenith has introduced the Chronomaster Open Stainless Steel / Silver / Bracelet (Model: 03.3300.3604/69.M3300). This stunning timepiece is not just a watch; it's a statement. Let’s dive into the intricacies of this remarkable watch and see what makes it a standout in the world of horology. The Zenith Chronomaster Open boasts a beautifully crafted stainless steel case with a diameter of 39.50 mm, striking a perfect balance between presence and wearability. The sunburst finish gives it a striking appearance, reflecting light in a way that catches the eye without being overly flashy. The stainless steel bracelet enhances the watch's elegance while ensuring durability. It feels solid on the wrist, yet comfortable enough for daily wear. The design is both modern and classic, making it versatile enough to pair with various outfits. The dial of this watch is where the magic truly happens. The open heart design allows you to glimpse the inner workings of the watch, showcasing the exquisite craftsmanship of the El Primero movement. The silver color provides a clean and sophisticated look, while the stick and dot indexes add a touch of modernity. The hands are also designed with precision in mind; they’re stick-shaped, ensuring readability while maintaining an elegant aesthetic. The central chronograph hand is particularly noteworthy, making one full turn every 10 seconds, which is a unique feature that adds to the watch's sporty character. What sets the Chronomaster Open apart is its movement. The El Primero 3604 is a modified version of the 3600 that debuted in the CHRONOMASTER Sport. It’s an automatic chronograph that can measure and display time down to the 1/10th of a second. With a frequency of 36,000 vibrations per hour, the 3604 offers a level of precision that is hard to match. The movement features a stop-second mechanism, allowing you to set the time accurately, which is essential for a watch of this caliber. The El Primero 3604 boasts an impressive power reserve of 60 hours. This means you can take it off for a weekend and still find it ticking away when you put it back on. The automatic winding mechanism is efficient, utilizing a lubricant-free silicon escape wheel and pallet lever, which minimizes maintenance and enhances durability. With a water resistance of 100 meters, the Zenith Chronomaster Open is not just a pretty face. It’s built to withstand splashes and even brief swims. Whether you’re caught in a rain shower or enjoying a day at the beach, you can trust this watch to keep ticking without missing a beat.
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Key Features
- Automatic chronograph movement (El Primero 3604)
- Stainless steel case with sunburst finish
- Sapphire crystal glass
- 100m water resistance
- 60-hour power reserve
- Stop-second mechanism for accurate time-setting
- High-frequency movement with 1/10th of a second chronograph
Specifications
- Brand
- Zenith
- Family
- El Primero
- Model
- Chronomaster Open Stainless Steel / Silver / Bracelet
- Reference
- 03.3300.3604/69.M3300
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph, Column wheel
- Case
- Stainless Steel 39.5mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
Zenith El Primero Chronograph - 2025 Serviced w/Extras
This is a Zenith El Primero Chronograph, serviced in 2025 and comes with various extras.
- Case Diameter: 38mm
- Lug Width: 20mm
- Lug To Lug: 45mm
Zenith El Primero Chronomaster Sport – 41mm – Black/White Dial – 2023 – $6,200
The Zenith El Primero Chronomaster Sport is a pre-owned watch with a black and white dial, featuring an automatic movement and a chronograph function. It has a stainless steel case with a sapphire crystal and water resistance up to 100m.
- Condition: Good to Excellent
- Case Size: 41mm diameter
- Case Thickness: 13.6mm
- Case Material: Stainless Steel (Polished Finish)
Like New Zenith El Primero Chronograph Full Open Skeleton Ref 03.2081.400/78.C813 FULL SET PRICED TO FLY!
This is a fun Zenith El Primero chronograph with a full open skeleton dial, showcasing the incredible movement. It's essentially new, having only been tried on and kept in its original AD set.
- Condition: Like New
- Case size: 42mm diameter
- Movement type: Automatic El Primero cal 400 chronograph movement
GORGEOUS 18K Gold Zenith El Primero Flyback Grande Chronomaster XT Ref 35.1250.4009 COLLECTOR SET!
This stunning Zenith El Primero Flyback Grande Chronomaster XT is a beautiful example of watchmaking artistry. Featuring an intricate off-white dial with silver accents and guilloche work, this 18k gold watch exudes luxury and sophistication. With its sleek 43mm case, automatic chronograph movement, and sapphire crystal, this timepiece is sure to turn heads.
- Condition: Mint, appears to be lightly worn due to age of the watch and case material
- Case size: 43MM diameter
- Movement caliber: El Primero automatic chronograph cal 4009
- Rotor material: 22K gold
Zenith Defy El Primero Sunray Blue Extreme Diver FULL SET Ref 95.9601.3620/51.I301
A modern iteration of the Zenith Defy El Primero diver, featuring a unique blue starry sunray pattern on its dial. The watch is powered by an iconic automatic cal 3620 CS movement and comes in a 42.5MM titanium case.
- Condition: Pre-owned, appears mint
- Case Size: 42.5mm diameter
- Movement Type: automatic cal 3620 CS
Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet
A 2023 Zenith Chronomaster Original with a blue leather deployant strap and an OEM Zenith bracelet.
- Condition: Like new, shows little to no signs of wear
- Case size: 38mm
- Strap type: Zenith blue leather deployant strap
- Bracelet included: Yes, OEM Zenith bracelet (full links)
2020 Zenith Defy El Primero 21 Skeleton Chronograph – Ref. 49.9000.9004/78.R582 – Full Set – Excellent Condition – $7,750 Shipped
2020 Zenith Defy El Primero 21 Skeleton Chronograph, a high-performance chronograph showcasing Zenith’s innovative 1/100th-of-a-second movement, featuring an openworked dial and lightweight titanium case.
- Condition: Excellent
- Case Size: 44mm diameter
- Case Material: Titanium
- Movement Type: Automatic chronograph (El Primero 21, 1/100th second)
Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet
A 2023 Zenith Chronomaster Original "El Primero" with a blue leather deployant strap and an OEM bracelet.
- Condition: Like new, little to no signs of wear
- Case size: 38mm diameter
- Bracelet style: OEM Zenith integrated bracelet
Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️
This Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary is a unique timepiece commemorating the anniversary of its iconic model. It features a limited edition reference number and comes with all original packaging and documentation.
- Condition: Lightly Used
- Year Of Manufacture: 2014
- Date Of Manufacture: Q3 2014
- Payment Methods: Bank Wire, Credit card (+4.9%), Crypto