Zenith El Primero El Primero Chronomaster 45 Stainless Steel / Rubber

Reference 03.2520.400/69.c713

About this watch

The Zenith El Primero Chronomaster 45 is a masterpiece of horology that embodies precision, style, and durability. Its round stainless steel case, with a diameter of 45mm, exudes a bold presence on the wrist, while its skeletonized dial showcases the mechanical marvel beneath. The automatic movement, Zenith caliber El Primero 400B, is renowned for its precision and reliability, offering chronograph functionality alongside hours, minutes, small seconds, and date display. With a power reserve of 50 hours, this watch can rest over the weekend and still keep perfect time come Monday morning. Its comfort is key, with a height of 14.05mm and a lug width of 22mm, sitting comfortably on the wrist without feeling bulky. The rubber strap adds an extra layer of comfort, making it suitable for both casual and active lifestyles. Boasting a water resistance of up to 100 meters, this watch is not just about telling time - it's about making a statement.
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Key Features

  • Automatic Zenith caliber El Primero 400B movement
  • Chronograph functionality with hours, minutes, small seconds, and date display
  • Sapphire glass crystal for scratch resistance
  • Water resistance up to 100 meters
  • Stainless steel case with diameter of 45mm and height of 14.05mm
  • Rubber strap for comfort and durability

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster 45 Stainless Steel / Rubber
Reference
03.2520.400/69.c713
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 45mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 2021 Zenith Chronomaster Sport El Primero 41mm Black Dial 03.3100.3600 with Card

2021 Zenith Chronomaster Sport El Primero 41mm Black Dial 03.3100.3600 with Card

2021 Zenith Chronomaster Sport with a black dial, featuring tri-color sub-dials and a stainless steel case.

  • Condition: Nice preowned condition with light scratches on the case and bracelet
  • Case dimensions: 41mm diameter
  • Band size: 8.25 in max wrist size
Posted at
Nov 5, 2025, 7:44 PM
Active
[WTS] 2022 Zenith Defy El Primero 21 44mm Titanium Blue Skeleton 95.9002.9004 Full Set

2022 Zenith Defy El Primero 21 44mm Titanium Blue Skeleton 95.9002.9004 Full Set

Incredible value for money here. The depth and finishing of the dial/movement punches way outside of its weight class.

  • Condition: Preowned with light scratches on the case, bezel and bracelet
  • Case material: Titanium
  • Case dimensions: 44mm diameter
  • Bezel type: Fixed Titanium Bezel
Posted at
Nov 4, 2025, 7:25 PM
Active
[WTS] - CONUS - Zenith defy el primero 03.0526.4000 - 2950

- CONUS - Zenith defy el primero 03.0526.4000 - 2950

Zenith - 03.0526.4000 · $2,950
This Zenith Defy El Primero 03.0526.4000 is a high-end timepiece that features a sleek design and precise mechanical movement.

  • Condition: great condition
  • Box: included
  • Papers: included
  • Warranty card: temp included
Posted at
Oct 26, 2025, 10:36 AM
Active
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

A Zenith El Primero Chronomaster Open Heart chronograph watch, featuring a 42mm stainless steel case and in-house Caliber Zenith El Primero 4061 movement. The watch is dated October 2014 and has been recently serviced by Zenith.

  • Condition: Mint Condition with light hairline scratches only
  • Case size: 42mm diameter
  • Water resistance: 30m depth rating
Posted at
Mar 31, 2025, 1:26 PM
Active
Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170

Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170

A Zenith El Primero Synopsis Open Heart watch with a 40-millimeter case diameter and gold-toned hands, featuring an open heart design and classic modern architecture.

  • Condition: Excellent, little to no visible wear
  • Case Diameter: 40mm
  • Bracelet Length: 16.5 links
  • Bracket Fit: up to 7.25 inches in circumference
Posted at
Mar 27, 2025, 2:21 PM
Active
Zenith Chronomaster - El Primero - Original - Tricolor Dial - Complete

Zenith Chronomaster - El Primero - Original - Tricolor Dial - Complete

A Zenith Chronomaster Original with a tricolor dial, featuring an automatic movement and stainless steel case.

  • Condition: Excellent
  • Case size: 38mm diameter
Posted at
Mar 27, 2025, 12:51 PM
Active
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

A Zenith El Primero Chronomaster Open Heart chronograph watch with a 42mm stainless steel case, featuring a Caliber Zenith El Primero 4061 movement and a date of manufacture in October 2014.

  • Condition: Mint Condition
  • Case diameter: 42mm
  • Movement frequency: 36,000 VPH
Posted at
Mar 25, 2025, 12:45 PM
Active
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

This is a Zenith El Primero Chronomaster Open Heart chronograph watch, featuring a 42mm stainless steel case and powered by the Caliber Zenith El Primero 4061 movement.

  • Condition: Mint Condition with light hairline scratches
  • Case diameter: 42mm
  • Movement frequency: 36,000 VPH
  • Power reserve: 50 hour PR
Posted at
Mar 4, 2025, 12:09 PM
Active