Zenith El Primero El Primero Chronomaster 45 Stainless Steel / Rubber

Reference 03.2520.400/69.c713

Zenith El Primero Chronomaster 45 Stainless Steel / Rubber

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

Zenith Defy El Primero 21 • Titanium • Skeleton • Full Set • Serviced

Zenith - Defy El Primero 21

This listing is about a Zenith Defy El Primero 21 watch with a titanium case, skeleton design, and full set. It has been serviced.

Condition: Full set
Material: titanium
Movement: El Primero 21

Posted at

May 14, 2026, 10:03 AM

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[US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

Zenith - 03.3100.3600/69.M3100 · $7,500

Up for sale is a Zenith El Primero Chronomaster Sport - White Dial - 41mm that functions perfectly mechanically without issue.

Condition: Fantastic with few hairlines on clasp, case, and bracelet
Case size: 41mm diameter

Posted at

May 14, 2026, 7:25 AM

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Neo Vintage French Military Zenith El Primero Flyback Chronograph Ref 02.0470.405/25 FULL COLLECTOR SET

Zenith - 02.0470.405/25 · $4,250

This is a unique Neo Vintage French Military Zenith El Primero Flyback Chronograph, featuring a matte black dial and stainless case. The watch comes in a collector's box and papers set, including an original serialized hang tag.

Condition: really nice condition, with wear throughout
Case size: 40mm diameter
Bracelet length: fits up to app 7 inches
Movement type: automatic chronograph with quickset date winding

Posted at

May 11, 2026, 8:57 PM

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Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750

Zenith - 03.9500.3600/01.I001 · $7,750

This is a Zenith Defy Skyline Chronograph, featuring the El Primero 3600 movement that beats at 36,000 vph and drives a 1/10th-second chronograph hand. The watch has a 42mm stainless steel case and a silver dial with a 'Starry Sky' pattern.

Condition: Excellent
Movement: El Primero 3600, automatic chronograph
Frequency: 36,000 vph (5Hz)
Power reserve: 60 hours

Posted at

May 11, 2026, 11:46 AM

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Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Just 50 Made - Collector Set

Zenith - 65.1260.4005/21.C505 · $20,850

The Zenith El Primero is a legendary chronograph featuring an incredible tourbillon and limited to just 50 pieces. The watch is housed in 18k white gold and features a beautiful black dial highlighting the tourbillon.

Condition: Really clean condition, minimal wear throughout
Case diameter: 45mm
Movement: El Primero automatic chronograph cal 4005
Strap material: Zenith black leather strap

Posted at

May 10, 2026, 11:09 PM

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Zenith Tipo CP-2 Chronograph 03.2240.4069, Underrated El Primero Beast (641/1000)

Zenith - 03.2240.4069 · $4,150

Inspired by original Cairelli-issued military chronographs, this Zenith Tipo CP-2 Chronograph features a strong vintage tool watch character with a matte black dial and bold lume markers.

Condition: great, with light signs of normal wear
Case size: 43mm diameter
Movement: Zenith El Primero automatic chronograph (Cal. 4069)
Water resistance: 100m depth rating

Posted at

May 8, 2026, 8:40 PM

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