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Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823
  • Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823
  • Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823
Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823 - BRAND NEW

Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823 - BRAND NEW Zenith Chronomaster Open Steel 39.5mm Silver Dial…

Reference 03.3300.3604/69.C823

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Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823 - BRAND NEW

$8,670.00
Requested condition
Brand New

By Zenith

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Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823 - BRAND NEW

Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823 - BRAND NEW

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Zenith Chronomaster Open Steel 39.5mm Silver Dial 03.3300.3604/69.C823 - BRAND NEW

Catalogue watch price: $8,670.00 USD

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The Zenith Chronomaster Open ref. 03.3300.3604/69.C823 is a brand-new 39.5mm stainless steel chronograph featuring the house's signature open-dial architecture, a silver index dial, stainless steel bezel, and comfortable fabric strap. This reference sits at the heart of Zenith's celebrated Chronomaster collection, blending horological transparency with refined aesthetics.

What sets this reference apart is the open-dial design that invites the wearer into the movement's beating heart, a hallmark of Zenith's watchmaking philosophy. Contact Bizak & Co. today to purchase the 03.3300.3604/69.C823 at the best price, with confidence in our expert authentication and white-glove service.

Compare it across every Chronomaster Open reference we carry, or browse the full Zenith collection at Bizak & Co.

Buy this Chronomaster Open, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The Zenith Chronomaster Open 03.3300.3604/69.C823 represents one of the most compelling expressions of haute horology in a sport-dress crossover format. Zenith, founded in Le Locle, Switzerland in 1865, is the manufacture synonymous with high-frequency automatic chronograph movements, and the Chronomaster line has been the standard-bearer of that tradition for decades. This reference, presented in a 39.5mm stainless steel case, sits in a sweet spot between sportiness and elegance that few competitors can match.

The defining visual signature of the Chronomaster Open is exactly what the name promises: a deliberate aperture cut into the dial that exposes the oscillating regulator beneath. On this reference the silver index dial surrounds that window with clean, legible hour markers and balanced sub-registers, creating a composition that rewards both a quick glance and prolonged study. The silver tone is a classically neutral choice, complementing the brushed and polished surfaces of the stainless steel case and bezel without competing with the mechanical spectacle beneath.

The 39.5mm diameter is a considered and increasingly rare dimension in a market that has largely migrated toward 40mm and above. It wears closer to the wrist, suits a broader range of wrist sizes, and nods to the proportions of vintage sport-chronographs without feeling retro or dated. The stainless steel bezel frames the dial with restraint, keeping the focus where Zenith intends it — on the movement visible through the open chapter.

The fabric strap softens the overall character of the watch, lending it a casual versatility that pairs equally well with tailored shirtsleeves and weekend attire. It is a practical and aesthetically deliberate choice that reinforces the Chronomaster Open's identity as a daily companion rather than a vault piece. The strap can be exchanged easily should the wearer wish to transition to a more formal presentation.

Buying this reference brand new from Bizak & Co. means receiving the watch in pristine, factory condition with all original packaging intact. Bizak & Co. is a trusted luxury watch dealer committed to transparency, fair pricing, and expert pre-sale verification. Whether you are a seasoned Zenith collector or discovering the Chronomaster Open for the first time, the team at bizakandco.com is ready to answer every question and facilitate a seamless purchase at the best available price.
Technical Details
Reference
03.3300.3604/69.C823
Model
Chronomaster Open
Case material
Stainless Steel
Bracelet material
Fabric
Dial
Silver Index
Case size
40mm
Requested condition
Brand New
FAQ

1. What makes the Zenith Chronomaster Open 03.3300.3604/69.C823 special?
This reference combines Zenith's iconic open-dial design — which exposes the oscillating regulator through a dial aperture — with a versatile 39.5mm stainless steel case and a silver index dial. It is a rare example of mechanical transparency executed at a wearable, everyday scale, rooted in Zenith's long heritage of high-frequency chronograph manufacturing.

2. What movement powers the Zenith Chronomaster Open ref. 03.3300.3604/69.C823?
The Chronomaster Open line is driven by Zenith in-house El Primero-based automatic chronograph calibers renowned for their high-frequency beat rate; however, the specific caliber designation for this exact reference has not been confirmed in our listing details. We recommend contacting Bizak & Co. directly for confirmed movement specifications on this piece.

3. What is the case size of the Zenith Chronomaster Open 03.3300.3604/69.C823?
The case measures 39.5mm in diameter and is crafted from stainless steel. This mid-size diameter is well regarded for its versatility, sitting between classic vintage proportions and modern sizing to suit a wide range of wrist sizes comfortably.

4. Is the Zenith Chronomaster Open suitable for everyday wear?
Yes, the Chronomaster Open is designed as a wearable daily chronograph rather than a purely formal or dress piece. The stainless steel case, fabric strap, and robust Zenith movement make it a practical companion for both professional and casual environments, and the 39.5mm case size keeps it comfortable across a full day of wear.

5. What are the dial and strap details on this Zenith Chronomaster Open?
The dial is finished in silver with index hour markers, surrounding the signature open aperture that showcases the movement's oscillating regulator. The watch is fitted with a fabric strap, which lends a relaxed, sporty character to the piece and pairs well with a wide variety of dress styles.

6. Is the Zenith Chronomaster Open 03.3300.3604/69.C823 a good buy, and how can I purchase it from Bizak?
The Chronomaster Open is widely regarded as one of the most horologically interesting chronographs at its price point, offering genuine manufacture movement transparency in a refined package. This reference is listed brand new at Bizak & Co. — visit bizakandco.com or contact our team directly to purchase at the best price with full authentication and expert support.

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Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

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90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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