Zenith El Primero El Primero Chronomaster Power Reserve Blue

Reference 03.2085.4021/51.C700

About this watch

The Zenith El Primero Chronomaster Power Reserve Blue is a masterpiece of watchmaking, blending tradition with modernity to create a timepiece that is both stunning and precise. Its robust stainless steel case measures 42mm in diameter, sitting comfortably on the wrist while its polished finish reflects light beautifully. The blue dial features a sunburst effect, adding a dynamic quality that changes hues as light hits it from different angles. The stick and dot indexes are minimalist yet classic, ensuring readability is never compromised. At the heart of this watch is the Zenith caliber El Primero 4021, a marvel of engineering consisting of 248 components that work in harmony. With an impressive power reserve of 50 hours, this automatic movement ensures you'll never miss a moment. The column wheel chronograph offers precision timing that is simply unmatched, while its silicon escape-wheel and lever enhance durability and reduce friction. This watch is built to withstand the elements, with a water resistance of up to 100 meters. Whether you're a seasoned collector or a newcomer to luxury timepieces, this watch deserves a place in your collection.
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Key Features

  • 42mm stainless steel case
  • Blue sunburst dial with stick and dot indexes
  • Zenith caliber El Primero 4021 automatic movement
  • 50-hour power reserve
  • Column wheel chronograph with silicon escape-wheel and lever
  • 100m water resistance
  • High-quality leather strap or stainless steel bracelet option

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Power Reserve Blue
Reference
03.2085.4021/51.C700
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
  • Power Reserve Indicator
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Chronomaster Revival 'Airweight Cover Girl' Titanium El Primero - Revolution and The Rake

Zenith Chronomaster Revival 'Airweight Cover Girl' Titanium El Primero - Revolution and The Rake

The Zenith Chronomaster Revival 'Airweight Cover Girl' is a limited edition collaboration between Zenith, Revolution, and The Rake, featuring a Grade 5 titanium case and bracelet. It retains the electric blue sunburst dial with a shark tooth chronograph scale and is powered by the El Primero 400 automatic movement.

  • Condition: Unworn
  • Case material: Grade 5 Titanium
  • Bracelet material: Grade 5 Titanium
  • Movement: El Primero 400 automatic chronograph
Posted at
Aug 22, 2025, 5:24 PM
Active
[WTS] Zenith Chronomaster Sport Black Dial Bracelet El Primero 3600 41mm - 03.3100.3600/21.M3100

Zenith Chronomaster Sport Black Dial Bracelet El Primero 3600 41mm - 03.3100.3600/21.M3100

The Chronomaster Sport is Zenith's take on the highly coveted Rolex Daytona, featuring a distinctive yet subtle sub dials in various colors.

  • Condition: Mint condition, unpolished and no service required
  • Material: Stainless steel
  • Size: 41mm diameter
Posted at
Aug 21, 2025, 12:30 AM
Active
[WTS] Zenith El Primero Chronomaster “Hodinkee” LE

Zenith El Primero Chronomaster “Hodinkee” LE

Zenith - 03.3201.3600 · $7,500
A limited edition Zenith El Primero Chronomaster in collaboration with Hodinkee, featuring a salmon dial and silver sub-dials.

  • Condition: Very good
  • Collaboration: Hodinkee Limited Edition
  • Size: 38mm diameter
  • Movement: Cal 3600
Posted at
Aug 20, 2025, 9:33 PM
Active
[WTS] Buy My Zenith! El Primero Open LNIB

Buy My Zenith! El Primero Open LNIB

A Zenith El Primero Chronomaster Open, sold as-is, with original box and full link bracelet. The watch has been recently timegraphed and keeps great time.

  • Condition: Very good condition
  • Size: 40mm diameter
  • Includes: Original box and full link bracelet
Posted at
Aug 20, 2025, 6:51 PM
Active
[WTS] (two) Zenith el Primero’s

(two) Zenith el Primero’s

Two Zenith El Primero watches for sale: a 40mm model and a 42mm Silver Men's Watch, both in excellent condition.

  • Condition: Mint condition and excellent pre owned
  • Case size: 40mm (left) and 42mm (right)
Posted at
Aug 12, 2025, 10:00 PM
Active
[WTS] Zenith El Primero Chronomaster Hodinkee LE

Zenith El Primero Chronomaster Hodinkee LE

Zenith - 03.3201.3600 · $7,500
a limited edition Zenith El Primero Chronomaster in collaboration with Hodinkee, featuring a salmon dial and silver sub-dials.

  • Condition: Very good condition
  • Movement: Cal 3600
  • Size: 38mm diameter
  • Accessories: Box & Papers
Posted at
Aug 12, 2025, 9:15 PM
Active