Zenith El Primero El Primero Chronomaster Grande Date Full Open Stainless Steel / Bracelet

Reference 03.2530.4047/78.M2530

Zenith El Primero Chronomaster Grande Date Full Open Stainless Steel / Bracelet

About this watch

The Zenith El Primero Chronomaster Grande Date Full Open is a masterpiece that effortlessly combines elegance and functionality. With its distinctive features, this model is a nod to the brand's long-standing heritage in watchmaking. The full open dial showcases a total of 332 components, allowing you to glimpse the intricate movements of the El Primero caliber 4047B. Crafted from high-quality stainless steel, this watch ensures durability and a luxurious feel on your wrist. The sapphire crystal protects the dial while enhancing visibility, and the open case back offers a stunning view of the movement. At its heart is the renowned El Primero 4047B movement, designed with a frequency of 36,000 vibrations per hour for remarkable precision. With 32 jewels, it's built for longevity and reliability. The chronograph function allows you to time events with accuracy, operated via a column wheel. A big date display and moonphase indicator add sophistication, while the power reserve of 50 hours ensures you can rely on this timepiece without constant winding.

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Key Features

El Primero 4047B automatic movement
Full open dial with skeletonized design
Sapphire crystal for enhanced visibility
Water resistance up to 50 meters
Stainless steel case and bracelet
Chronograph function with column wheel operation
Moonphase indicator and big date display

Specifications

Brand

Zenith

Family

El Primero

Model

El Primero Chronomaster Grande Date Full Open Stainless Steel / Bracelet

Reference

03.2530.4047/78.M2530

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel
Moonphase

Case

Stainless Steel 46mm

Dial Color

Skeleton

Crystal

Sapphire

Water Resistance

Current Listings

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange