Zenith Chronomaster Open Steel — Black Matte Hesalite Dial | Ref. 03.3300.3604/21.C822

Hesalite. The word alone carries history — an acrylic crystal compound that watchmakers abandoned decades ago in favour of scratch-resistant sapphire, yet never fully surrendered from legend. Its warm optical signature, its slight curvature, and the way it softens reflections rather than eliminating them: these qualities give vintage watches their nostalgic aura. The Zenith Chronomaster Open references this heritage deliberately, fitting one counter with hesalite while the rest of the 39.5 mm steel case is built for modern use. It is an elegant argument for memory as function.

The black matte dial grounds the watch in dark authority. Two colour-differentiated counters and the distinctive hesalite counter provide visual variety against the flat black ground without resorting to unnecessary decoration. Through the open-heart aperture, the El Primero's column wheel and high-frequency escapement are visible in motion — a window into the 1/10th-of-a-second chronograph mechanism that has defined Zenith's technical identity since 1969. Approximately 60 hours of power reserve means the watch carries momentum through weekends and travel alike.

Worn on a black Cordura-effect strap with a stainless steel triple-folding buckle — a material choice that complements the matte dial with equal informality — this $7,595 Chronomaster Open makes a coherent case for the watch as a cultural object, not merely a measuring instrument. At 10 ATM water resistance and 39.5 mm, it wears universally, its monochrome palette pairing with virtually anything in a wardrobe. This is Zenith's nod to the pilots and timing professionals who first wore El Primero-equipped watches in anger: honest, purposeful, and built to endure.