Zenith El Primero El Primero Chronomaster Open Stainless Steel / Blue / Alligator

Reference 03.20416.4061/51.C700

About this watch

The Zenith El Primero Chronomaster Open is not just a watch; it’s a statement. Launched in 2016, this model brings together exquisite craftsmanship, a rich history, and cutting-edge technology in a beautiful package. The stunning blue sunburst dial creates a mesmerizing play of light that shifts as you move the watch, making it a real conversation starter. With its open-heart design, you get a sneak peek into the intricate movements within. This timepiece features a robust stainless steel case with a diameter of 42 mm and a height of 14.05 mm, striking a perfect balance between being bold and wearable. The round shape feels classic yet modern, ensuring it fits well on most wrists. Equipped with a sapphire crystal, the watch is not only scratch-resistant but also offers a clear view of the dial. At the heart of this watch lies the Zenith caliber El Primero 4061, an automatic movement renowned for its precision and boasting a frequency of 36,000 vibrations per hour. This high-frequency allows for incredibly accurate timekeeping, making it a favorite among serious watch aficionados. The chronograph feature operated by a column wheel adds a layer of excitement to the experience. With its luxurious blue alligator leather strap, this watch is comfortable to wear and complements the dial beautifully.
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Key Features

  • Zenith caliber El Primero 4061 automatic movement
  • 42 mm stainless steel case with sapphire crystal
  • Open-heart design showcasing intricate mechanics
  • Chronograph feature operated by a column wheel
  • Luxurious blue alligator leather strap

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Open Stainless Steel / Blue / Alligator
Reference
03.20416.4061/51.C700
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith El Primero Chronograph - Serviced w/Extras

Zenith El Primero Chronograph - Serviced w/Extras

Zenith - 20-0010.420 · $3,350
A Zenith El Primero Chronograph with a gold filled case and 38mm diameter, featuring the Cal.420 movement.

  • Case diameter: 38mm
  • Lug width: 20mm
  • Lug to lug: 45mm
Posted at
Feb 2, 2026, 10:26 AM
Active
[WTS] Zenith Defy 21 Chroma El Primero (2022) – Ceramic – Full Set – Limited 200 €6950

Zenith Defy 21 Chroma El Primero (2022) – Ceramic – Full Set – Limited 200 €6950

A 2022 Zenith Defy 21 Chroma El Primero with a ceramic case and limited to only 200 pieces worldwide. It's powered by the legendary El Primero chronograph movement and features an original retail price north of €14,000.

  • Condition: Excellent with minor cosmetic wear on the case near the lugs
  • Case material: Ceramic
  • Movement type: El Primero chronograph
  • Water resistance depth: 100m
Posted at
Feb 2, 2026, 6:19 AM
Active
[WTS][US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

Up for sale is a Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with minor hairlines
  • Water Resistance: 30m
  • Case Size: 42mm diameter
  • Band Material: bracelet
Posted at
Jan 27, 2026, 8:00 AM
Active
[WTS] Brand New Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Full Zenith warranty | Price reduced

Brand New Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Full Zenith warranty | Price reduced

A brand new Zenith Chronomaster Original Reverse Panda El Primero chronograph, discontinued by the manufacturer, still in its protective stickers and under full warranty.

  • Condition: Brand new, never used
  • Warranty: 2-year warranty from Zenith
  • Strap: Original leather strap with deployant clasp
Posted at
Jan 25, 2026, 4:06 PM
Active
[WTS] Zenith El Primero Defy Extreme Diver AKA PURE WRIST JOY Ref 95.9601.3620/51.I301 FULL SET

Zenith El Primero Defy Extreme Diver AKA PURE WRIST JOY Ref 95.9601.3620/51.I301 FULL SET

A Zenith El Primero Defy Extreme Diver with a unique blue starry sunray pattern dial and a titanium case.

  • Condition: Pre-owned, barely over a year old
  • Case size: 42.5MM diameter
  • Movement: El Primero cal 3620 CS automatic movement
Posted at
Jan 24, 2026, 7:53 PM
Active
[WTS] Zenith El Primero Chronomaster Revival Panda 03.A384.400/21.C815

Zenith El Primero Chronomaster Revival Panda 03.A384.400/21.C815

This is a 37mm Chronomaster Revival Panda, a limited edition model from Zenith's El Primero series, featuring a classic panda dial.

  • Condition: preowned clean condition with hairline scratches throughout
  • Crystal condition: may contain marks under strong magnification
  • Strap condition: worn
  • Case size: 37mm
Posted at
Jan 23, 2026, 6:51 AM
Active
[WTS] Zenith Defy Skyline Chronograph - Full Set - El Primero 3600 - $9,200

Zenith Defy Skyline Chronograph - Full Set - El Primero 3600 - $9,200

The Zenith Defy Skyline Chronograph features a silver 'starry sky' dial, a 1/10th-second chronograph with a central chrono hand that makes one full lap every 10 seconds, and a versatile design with a quick-change system for the bracelet and strap.

  • Condition: Excellent overall Condition
  • Movement: Zenith El Primero 3600 (5Hz / 36,000 vph) with 1/10th-second chronograph
  • Case size: 42mm diameter
  • Bracelets/straps: Steel bracelet and green rubber strap with Zenith quick-change
Posted at
Jan 20, 2026, 7:23 PM
Active
[WTS][US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

A Zenith El Primero Chronomaster Sport watch featuring a meteorite dial, in 42mm size.

  • Condition: Fantastic with minor hairlines
  • Case size: 42mm
Posted at
Jan 20, 2026, 7:08 AM
Active
[WTS] Zenith 03.2522.400/69.R576 El Primero Chronomaster 45mm

Zenith 03.2522.400/69.R576 El Primero Chronomaster 45mm

This 45mm Chronomaster El Primero is a preowned Zenith watch in good condition.

  • Condition: preowned clean condition with minor hairline scratches throughout
  • Length: 45mm diameter
  • Case material: unknown (not specified)
  • Depth rating: unknown (not specified)
Posted at
Jan 19, 2026, 11:50 PM
Active