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

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  • Condition: Excellent
  • Material: Steel and 18K rose gold
  • Case diameter: 40mm
  • Strap material: Alligator leather
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Active
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  • Condition: Very slight scratches along bracelet, specifically clasp area; One scratch near micro adjust easily buffed out
  • Msrp: $11,800
  • Water resistance: 10atm
  • Frequency: 36000/5 Hz
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  • Condition: Very Good
  • Case material: 18k rose gold
  • Band material: Black rubber with Nomex fabric coating
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  • Condition: has some scratches on bracelet and case
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  • Bracelet condition: some scratches
  • Size: 44mm diameter
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  • Condition: Mint Condition with light hairline scratches only
  • Case size: 42mm diameter
  • Water resistance: 30m depth rating
Posted at
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  • Condition: Excellent, little to no visible wear
  • Case Diameter: 40mm
  • Bracelet Length: 16.5 links
  • Bracket Fit: up to 7.25 inches in circumference
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  • Condition: Excellent
  • Case size: 38mm diameter
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  • Condition: Mint Condition
  • Case diameter: 42mm
  • Movement frequency: 36,000 VPH
Posted at
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Active
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  • 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