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

Reference 03.2530.4047/78.M2530

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] Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Brand new under full warranty | $7500 + shipping

Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Brand new under full warranty | $7500 + shipping

A brand new Zenith Chronomaster Original Reverse Panda with an El Primero chronograph movement, no longer in production.

  • Condition: Brand new, never used
  • Warranty Years: 2 years
  • Strap Material: leather
Posted at
Dec 24, 2025, 7:15 PM
Active
[WTS] Zenith Chronomaster Sport El Primero 41mm Stainless Steel Blue Dial 03.3114.3600

Zenith Chronomaster Sport El Primero 41mm Stainless Steel Blue Dial 03.3114.3600

Zenith - 03.3114.3600 · $6,350
A Zenith Chronomaster Sport featuring a stainless steel case, blue dial, and tri-color sub-dials.

  • Condition: Nice preowned condition with light scratches on the case, bracelet and bezel
  • Case material: Stainless Steel
  • Case dimensions: 41mm diameter
  • Bezel material: Stainless Steel
Posted at
Dec 19, 2025, 8:09 PM
Active
[WTS] Zenith Chronomaster Original Reverse Panda El Primero | 03.3200.3600/21.C903 | Brand new under full warranty | $7500 + shipping

Zenith Chronomaster Original Reverse Panda El Primero | 03.3200.3600/21.C903 | Brand new under full warranty | $7500 + shipping

A brand new Zenith Chronomaster Original Reverse Panda, discontinued by Zenith, still in its protective stickers.

  • Condition: Brand new, never used
  • Warranty: 2 years with option to extend for 3 more years
  • Strap material: Leather
  • Case size: Not specified
Posted at
Dec 17, 2025, 1:34 PM
Active
[wts] Zenith Chronomaster El Primero 42mm Tri-Color 03.2040.400/69 Strap & Bracelet

Zenith Chronomaster El Primero 42mm Tri-Color 03.2040.400/69 Strap & Bracelet

A Zenith Chronomaster El Primero in mint condition, with a 42mm tri-color design. It comes in pristine shape and includes additional accessories such as a bracelet, box, books, warranty card, and receipt.

  • Condition: Mint condition
  • Material: Tri-color
  • Bracelet: Zenith
  • Size: 42mm
Posted at
Dec 16, 2025, 5:30 PM
Active
[WTS] Zenith El Primero Final Edition #34/38

Zenith El Primero Final Edition #34/38

A rare Zenith El Primero Final Edition, one of only 38 produced, with a unique and elegant design.

  • Condition: Excellent
  • Production Run: 1/38
Posted at
Dec 15, 2025, 3:27 PM
Active
[WTS] Zenith El Primero Final Edition 🔴🔵⚪️

Zenith El Primero Final Edition 🔴🔵⚪️

This is one of the rarest El Primero models, with only 38 produced and this being number 34/38.

  • Serial Number: 34/38
  • Extra Items: complete set including optional bracelet, 3 unused straps, inner box, outer box, travel box, warranty, booklet, authenticity, receipt
Posted at
Dec 15, 2025, 1:57 PM
Active
[WTS] Zenith Class Sport El Primero Automatic 03.0510.400/24.M510

Zenith Class Sport El Primero Automatic 03.0510.400/24.M510

A Zenith Class Sport El Primero Automatic watch in excellent condition, recently serviced and owned by the seller's father.

  • Condition: Excellent, light desk wear on clasp
  • Case Size: 40mm diameter (1.6inch)
  • Wrist Size: 17.5cm (6.9 inch) circumference
  • Lugs Width: 20mm (0.8 inch)
Posted at
Dec 14, 2025, 1:37 PM
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[wtt] [wts] Zenith el primero open grande date moonphase $3499

[wtt] Zenith el primero open grande date moonphase $3499

A Zenith El Primero Open Grande Date Moonphase in good condition, however the moon phase and day night disc may not be functioning correctly.

  • Condition: Pre-owned with minor damage (age-related scuffs)
  • Boxpapers: No
  • Complications: Chronograph, date, moon phase, day-night indicator
Posted at
Dec 13, 2025, 2:35 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, 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