Zenith Chronomaster Sport Ref. 03.3100.3600/21.M3100
Chronograph / Sports Watch · Zenith (LVMH Group), categorized as a luxury watchmaker renowned for inventing the legendary high-frequency El Primero chronograph movement in 1969.
Period: Modern Luxury (2020s-present) characterized by integrated-style steel bracelets, ceramic bezels, and high-frequency movements paying homage to vintage aesthetics.
Type
Chronograph / Sports Watch
Brand
Zenith (LVMH Group), categorized as a luxury watchmaker renowned for inventing the legendary high-frequency El Primero chronograph movement in 1969.
Movement
Automatic high-frequency chronograph, Zenith El Primero 3600 caliber, operating at 36,000 VpH (5 Hz), offering a 60-hour power reserve and 35 jewels.
Dimensions
Case diameter: 41 mm, case thickness: 13.6 mm, lug-to-lug distance: 46.9 mm, lug width: 20 mm.
Description
The Zenith Chronomaster Sport bridges the gap between Zenith's rich heritage of high-frequency chronographs and contemporary luxury sports watch design. With its striking black dial, iconic tricolor sub-dials, and contrasting black ceramic 1/10th of a second bezel, it commands immense wrist presence. Driven by the advanced El Primero 3600 movement, it offers a mesmerizing technical display where the central chronograph hand sweeps around the dial once every ten seconds.
Key Features
High-frequency 5 Hz El Primero 3600 movement, 1/10th of a second measuring capability via the ceramic bezel, iconic tricolor overlapping sub-dials, and a robust 41mm stainless steel case.
Dial Description
Matte black dial featuring Zenith's signature tricolor overlapping sub-dials in silver, anthracite, and blue, applied rhodium-plated faceted hour markers with luminous filling, faceted hands, a date window neatly tucked between 4 and 5 o'clock, and a central 1/10th of a second chronograph hand completing one rotation in 10 seconds.
Case Material
Stainless steel with a combination of brushed satin-finished surfaces and polished bevels.
Crystal Type
Domed sapphire crystal with anti-reflective treatment on both sides.
Bezel Details
Fixed black ceramic bezel featuring a 1/10th of a second scale engraved with white lacquer markings, allowing direct readings of elapsed fractions of time.
Crown & Pushers
Screw-down crown embossed with the Zenith star logo, flanked by pump-style chronograph pushers.
Bracelet or Strap
Three-link stainless steel bracelet with brushed outer links and polished center links, secured with a folding clasp.
Caseback Details
Exhibition sapphire crystal display caseback showcasing the open-worked oscillating weight adorned with Cotes de Geneve motifs and the Zenith star.
Movement Type
Automatic high-frequency chronograph, Zenith El Primero 3600 caliber, operating at 36,000 VpH (5 Hz), offering a 60-hour power reserve and 35 jewels.
Water Resistance
10 ATM / 100 meters / 330 feet, suitable for swimming, snorkeling, and recreational water sports, but not professional scuba diving.
Origin & Provenance
Swiss Made, manufactured in Le Locle, Switzerland, featuring an in-house developed and produced high-frequency movement.
Age Estimate
Modern production, introduced in 2021 and continuing to the present day.
Cultural Significance
A defining modern luxury sports watch that successfully reinterprets vintage chronographs for the modern collector, cementing Zenith's status as a master of chronograph complications.
Condition Notes
The watch appears in excellent to mint condition with crisp case lines, clean polished and brushed finishes, flawless crystal, and pristine dial and bezel inserts.
Value Estimate
Retail MSRP around $10,000 to $11,000 USD, with secondary market prices typically ranging between $7,500 and $9,500 USD depending on condition, box, and papers.
Care & Maintenance
Recommended professional service interval every 3 to 5 years. Avoid exposing the watch to strong magnetic fields and ensure the crown is fully screwed down before water exposure.
Similar Watches
Rolex Cosmograph Daytona Ref. 116500LN or 126500LN, Omega Speedmaster Professional Moonwatch, Tag Heuer Carrera Chronograph.
Interesting Facts
The El Primero movement introduced by Zenith in 1969 was one of the world's first integrated automatic chronograph movements. Famously, Rolex used a modified, lower-frequency version of the El Primero to power their iconic Daytona from 1988 until 2000.