Zenith Chronomaster Open "Boutique Edition" Steel 39.5mm Blue Dial 03.3300.3604/51.M3300 - BRAND NEW

The Zenith Chronomaster Open is one of the most recognizable and intellectually compelling watches in the Swiss industry, and the Boutique Edition reference 03.3300.3604/51.M3300 elevates that legacy with a blue dial and an exclusive distribution model that limits availability worldwide. Zenith introduced the Chronomaster line as the premium home of its legendary El Primero movement family, and the Open variant—first celebrated for cutting a window directly above the high-frequency oscillator—transformed what had been an engineering advantage into a visual spectacle. Owning this reference means owning a piece of that unbroken tradition, now dressed in boutique-exclusive livery.

At 39.5mm in stainless steel, the case occupies the ideal middle ground between a dress watch and a sport-chronograph, wearing comfortably on a wide range of wrist sizes without the bulk that plagues many modern chronographs. The polished and brushed stainless steel finishing on both the case and the matching steel bracelet gives the watch a refined, versatile character that moves naturally from business attire to weekend wear. The stainless steel bezel frames the dial cleanly, keeping the focus exactly where it belongs: on that mesmerizing open-worked view of the movement beneath.

The blue index dial is the defining aesthetic choice of this Boutique Edition. The dial's cool, deeply saturated blue creates a sophisticated contrast against the silver-toned indices and hands, while the open aperture above the balance wheel adds a layer of horological drama that flat-dial chronographs simply cannot replicate. It is a dial designed to reward a second look—and a third—because the constant motion of the oscillator visible through that window means the watch is never static.

Beneath the dial, the Chronomaster Open is powered by Zenith's celebrated automatic chronograph movement, the high-frequency El Primero caliber family, an architecture that Zenith has continually refined since its landmark 1969 introduction. The El Primero's high beat rate delivers exceptional chronograph precision, a technical distinction that has made it one of the most respected column-wheel chronograph movements in the world and even served as the basis for other legendary chronographs across the industry. For collectors who value what is inside the case as much as the aesthetics outside it, the movement alone justifies serious attention.

As a Boutique Edition, this reference was produced specifically for Zenith's own retail network, meaning distribution was intentionally constrained and secondary-market availability is naturally limited. Buyers looking to add a genuinely scarce, brand-new Chronomaster Open to their collection have a narrow window of opportunity. Bizak & Co. offers this reference in brand-new condition, sourced and authenticated with the diligence that defines our curation standards.

At Bizak & Co. we pride ourselves on transparent pricing and expert guidance for every client, whether you are deepening an established collection or acquiring your first serious Swiss watch. The Zenith Chronomaster Open Boutique Edition 03.3300.3604/51.M3300 represents exceptional value for a boutique-exclusive, brand-new automatic chronograph with genuine pedigree—and we invite you to reach out to our team at bizakandco.com to discuss availability, pricing, and complimentary shipping options today.