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
50

Current Listings

[WTS] 2020 Zenith Defy El Primero 21 Skeleton Chronograph – Ref. 49.9000.9004/78.R582 – Full Set – Excellent Condition – $7,750 Shipped

2020 Zenith Defy El Primero 21 Skeleton Chronograph – Ref. 49.9000.9004/78.R582 – Full Set – Excellent Condition – $7,750 Shipped

Zenith - 49.9000.9004/78.R582 · $7,750
2020 Zenith Defy El Primero 21 Skeleton Chronograph, a high-performance chronograph showcasing Zenith’s innovative 1/100th-of-a-second movement, featuring an openworked dial and lightweight titanium case.

  • Condition: Excellent
  • Case Size: 44mm diameter
  • Case Material: Titanium
  • Movement Type: Automatic chronograph (El Primero 21, 1/100th second)
Posted at
Feb 12, 2026, 10:02 PM
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[WTS] Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith - 03.3200.3600/69.C902 · $7,250
A 2023 Zenith Chronomaster Original "El Primero" with a blue leather deployant strap and an OEM bracelet.

  • Condition: Like new, little to no signs of wear
  • Case size: 38mm diameter
  • Bracelet style: OEM Zenith integrated bracelet
Posted at
Feb 11, 2026, 11:53 AM
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[WTS] Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith - 96 1969 469/ 77 C683 · $6,137
This Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary is a unique timepiece commemorating the anniversary of its iconic model. It features a limited edition reference number and comes with all original packaging and documentation.

  • Condition: Lightly Used
  • Year Of Manufacture: 2014
  • Date Of Manufacture: Q3 2014
  • Payment Methods: Bank Wire, Credit card (+4.9%), Crypto
Posted at
Feb 11, 2026, 3:59 AM
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[WTS] 2025 NEW Zenith Chronomaster Sport White Dial "Panda" Bracelet El Primero 3600 41mm - 03.3100.3600/69.M3100

2025 NEW Zenith Chronomaster Sport White Dial "Panda" Bracelet El Primero 3600 41mm - 03.3100.3600/69.M3100

Zenith - 03.3100.3600/69.M3100 · $9,000
The Zenith Chronomaster Sport White Dial 'Panda' features a tri-color sub dial and the El Primero 3600 movement with 1/10th of a second chronograph. It has a 41mm case size, 60 hour power reserve, and an adjustable bracelet.

  • Condition: Brand new, unworn
  • Case Size: 41mm
  • Material: Stainless Steel
  • Movement: El Primero 3600
Posted at
Feb 10, 2026, 1:11 AM
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[WTS] INSANE Zenith El Primero Flyback Grande Chronomaster XT in 18K Gold COLLECTOR SET Ref 35.1250.4009

INSANE Zenith El Primero Flyback Grande Chronomaster XT in 18K Gold COLLECTOR SET Ref 35.1250.4009

Zenith - 35.1250.4009 · $15,850
The Zenith El Primero Flyback Grande Chronomaster XT is a large and in charge dress watch with an incredible dial, featuring a guilloche pattern and off-white background that pops silver in the light. The watch is made of 18K solid yellow gold with a 43MM case diameter.

  • Condition: Mint, appears to have some wear given its age and material (18K gold)
  • Dial Color: Off-white
  • Case Size: 43MM diameter
  • Movement Type: Automatic chronograph
Posted at
Feb 8, 2026, 2:06 PM
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[WTS] Zenith Defy El Primero Extreme Diver - LOOK AT THIS AND TRY NOT TO SMILE - Full Set Ref 95.9601.3620/51.I301

Zenith Defy El Primero Extreme Diver - LOOK AT THIS AND TRY NOT TO SMILE - Full Set Ref 95.9601.3620/51.I301

Zenith - 95.9601.3620/51.I301 · $7,895
A modern iteration of the Zenith El Primero Defy diver, featuring a titanium case and an iconic movement.

  • Condition: Mint, with light wear on the case
  • Case Size: 42.5mm diameter
  • Dial Pattern: blue starry sunray pattern with bright orange accents
  • Movement Type: automatic cal 3620 CS
Posted at
Feb 7, 2026, 3:36 PM
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[WTS] Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith - 03.3200.3600/69.C902 · $7,250
A 2023 Zenith Chronomaster Original 'El Primero' 38mm watch on a blue leather deployant strap, with an included OEM steel bracelet.

  • Condition: Like new
  • Bracelet type: OEM steel integrated
  • Strap type: Zenith blue leather deployant
Posted at
Feb 5, 2026, 8:29 PM
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[WTS] Zenith - 49.9010.9004/01.R947 Defy El Primero 21 Chroma 🎨 limited to 200 pieces

Zenith - 49.9010.9004/01.R947 Defy El Primero 21 Chroma 🎨 limited to 200 pieces

Zenith - 49.9010.9004/01.R947 · $10,500
This listing is for a Zenith Defy El Primero 21 Chroma limited to 200 pieces, which is a complete set from 2022.

  • Condition: Mint condition
  • Year: 2022
  • Quantity Produced: limited to 200 pieces
Posted at
Feb 5, 2026, 1:22 PM
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[WTS] 2017 Zenith Chronomaster El Primero "Open Heart" 03.2040.4061/23.C496 - Box/Papers, Two Straps, Excellent Shape

2017 Zenith Chronomaster El Primero "Open Heart" 03.2040.4061/23.C496 - Box/Papers, Two Straps, Excellent Shape

Zenith - 03.2040.4061/23.C496 · $5,999
The Zenith Chronomaster El Primero 'Open Heart' is a striking example of an open heart masterpiece, highlighting the legendary El Primero movement through an open-heart aperture on the dial.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm
  • Movement Power Reserve: ~50-hour
  • Water Resistance: 100m depth rating
Posted at
Feb 5, 2026, 12:37 AM
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