The Zenith El Primero Chronomaster Open was originally released in the 2010s.
Limited & Numbered Edition: Exclusive production of only 500 pieces worldwide, ensuring its rarity and collectible value.
Tour Auto Edition: Distinguished by the iconic blue, white, and red racing colors, which seamlessly run from the top strap through the dial to the bottom strap, creating a cohesive and visually striking design.
Tour Auto Logo: The Tour Auto logo is elegantly displayed on the sapphire crystal case back, commemorating its association with this prestigious event.
Stainless Steel Case: Crafted with a brushed and polished finished stainless steel case, offering a harmonious blend of elegance and sportiness.
Unique Cutaway Dial: Featuring a distinctive cutaway design in the dial that exposes the escapement at the heart of the movement, accented by a polished steel rim secured with three gun-metal blue screws.
Slate Grey Dial: The main dial showcases a slate grey colour, adorned with a blue, white, and red stripe, adding a dynamic and sporty aesthetic.
Precision and Legibility: Printed seconds and fractions of a second track on the main dial’s perimeter, a silver minute chapter ring with minute indications, and blue-rimmed silver sub-dials enhance legibility and functionality.
Faceted Hands and Applied Indexes: The watch boasts faceted rhodium hands and applied indexes with luminous tips for improved readability in various lighting conditions.
Tachymeter Scale: The outer flange/rim of the dial is equipped with a tachymeter scale, a useful feature for measuring speed.
Movement: Powered by the famous Zenith El Primero Caliber 4061, renowned for its “Column Wheel” chronograph functionality, which includes a large red central seconds counter hand. The Zenith El Primero Caliber 4061 operates at an impressive 36,000 vibrations per hour (vph), ensuring precise timekeeping. It features a silicon escapement, 31 jewels, and 282 components, with a generous power reserve of approximately 50 hours.
Sub-Dials: The watch features a 30-minute sub-dial at the 3 o’clock position and a 12-hour sub-dial at the 6 o’clock position, providing precise timekeeping for various intervals. Located at the 9 o’clock position within the cutaway display, the running seconds sub-dial offers continuous seconds measurement.
The Zenith El Primero Chronomaster Open is a remarkable timepiece that combines the brand’s rich heritage with cutting-edge watchmaking technology. At its core is the legendary El Primero movement, one of the first automatic chronograph movements, known for its high-frequency precision. What sets the Chronomaster Open apart is its open-heart design, which provides a captivating view of the intricate movement in action through a partially skeletonized dial. This feature allows enthusiasts to witness the escapement and balance wheel, showcasing the inner workings of the watch.
The watch’s design is both elegant and sporty, making it suitable for various occasions. With its iconic tri-color sub-dials, tachymeter scale, and faceted hands, the Chronomaster Open exudes a timeless and dynamic appeal. The open-heart design not only adds a layer of fascination but also emphasizes the watch’s high-frequency beating, which results in a smooth, sweeping chronograph hand.
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