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.
Buy Now on Jomashop
This is an affiliate link

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

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

Zenith - 03.3100.3600/69.M3100 · $7,550
Up for sale is a Zenith El Primero Chronomaster Sport with a white dial and 41mm case, featuring a perfectly working mechanical movement.

  • Condition: Fantastic condition with few hairlines on clasp, case, and bracelet
  • Diameter: 41mm
  • Case Condition: few hairlines on clasp, case, and bracelet
Posted at
Apr 17, 2026, 6:30 AM
Active
View listing on r/WatchExchange
[WTS] Zenith “Open Heart” - El Primero Movement - Price Reduced

Zenith “Open Heart” - El Primero Movement - Price Reduced

Zenith - 03.0520.4021 · $2,550
A Zenith El Primero automatic chronograph with an open-heart design and a rare white dial variant.

  • Condition: Very Good
  • Movement Type: El Primero high-beat automatic chronograph (36,000 vph)
  • Case Size: ~42 mm diameter
  • Crystal Type: Sapphire crystal
Posted at
Apr 16, 2026, 8:32 PM
Active
View listing on r/WatchExchange
[WTS] 1970 Zenith El Primero A385 Chronograph - $7,250

1970 Zenith El Primero A385 Chronograph - $7,250

Zenith - A385 · $7,250
This Zenith El Primero A385 is a limited edition chronograph from the late 1960s and early 1970s, featuring an automatic movement that was historically significant for its time. It has been well maintained and is in excellent condition with minimal signs of wear.

  • Condition: Excellent
  • Movement caliber: 3019 PHC/400
  • Case dimensions: [object Object]
  • Power reserve: 50 hours
Posted at
Apr 16, 2026, 8:05 PM
Active
View listing on r/WatchExchange
[WTS] Zenith El Primero Chronomaster Revival Shadow 97.T384.4061/21.C822 ( excellent / 2022 / box and papers )

Zenith El Primero Chronomaster Revival Shadow 97.T384.4061/21.C822 ( excellent / 2022 / box and papers )

Zenith - 97.T384.4061/21.C822 · $5,995
Up for sale is an excellent condition Zenith El Primero Chronomaster Revival Shadow, complete with all boxes, papers, and booklets.

  • Condition: Excellent
  • Case material: Titanium
  • Case size: 37mm
  • Movement: El Primero
Posted at
Apr 16, 2026, 12:24 PM
Active
View listing on r/WatchExchange
[WTS] Zenith Defy El Primero 21 $5050

Zenith Defy El Primero 21 $5050

Zenith - Defy El Primero 21 · $5,050
A Zenith El Primero 21 is being sold to fund a Credor purchase during the seller's Japan trip.

  • Condition: Moderate wear, light scratches
Posted at
Apr 13, 2026, 7:32 PM
Active
View listing on r/WatchExchange
[WTS] Rare Zenith El Primero Captain Winsor Annual Calendar Rose Gold w/ Diamond Markers + Silvered Dial

Rare Zenith El Primero Captain Winsor Annual Calendar Rose Gold w/ Diamond Markers + Silvered Dial

Zenith - El Primero Captain Winsor Annual Calendar · $24,800
This listing is for a rare Zenith El Primero Captain Winsor Annual Calendar Rose Gold w/ Diamond Markers + Silvered Dial.

  • Diameter: 44mm
Posted at
Apr 13, 2026, 6:00 PM
Active
View listing on r/WatchExchange
[WTS] Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | Brand New with Full Zenith warranty

Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | Brand New with Full Zenith warranty

Zenith - 03.3200.3600/21.C903 · $6,999
A brand new Zenith Chronomaster Original Reverse Panda, a discontinued model still in its protective stickers.

  • Condition: Brand new, never used
  • Case size: not specified
  • Water resistance: not specified
  • Strap material: leather
Posted at
Apr 13, 2026, 8:56 AM
Active
View listing on r/WatchExchange
[WTS] Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set - JUST 50 MADE!

Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Collector Set - JUST 50 MADE!

Zenith - 65.1260.4005/21.C505 · $21,250
The Zenith El Primero Tourbillon Chronograph is a legendary watch featuring a tourbillon and chronograph functions in a limited edition of just 50 pieces. It comes in a beautiful collector set including an appraisal from Zenith showing a value of six figures.

  • Condition: Really clean condition, including the sapphire crystal.
  • Movement Type: El Primero automatic chronograph cal 4005
  • Case Material: 45MM 18K solid white gold
  • Case Dimensions: 45mm diameter
Posted at
Apr 12, 2026, 9:52 PM
Active
View listing on r/WatchExchange
[WTS] Zenith El Primero Chronomaster Sport Titanium Full Box & Cards Set Ref 95.3100.3600/39.M3100

Zenith El Primero Chronomaster Sport Titanium Full Box & Cards Set Ref 95.3100.3600/39.M3100

Zenith - 95.3100.3600/39.M3100 · $8,650
This is a 2-year-old Zenith El Primero Chronomaster Sport Titanium watch with a gray dial and tri-colored chrono sub-dials. It features a 41mm full titanium case and an iconic chronograph movement.

  • Condition: like new, with some light wear on the titanium bezel and case sides
  • Case size: 41mm diameter
  • Movement type: automatic
  • Depth rating: 30m water resistance
Posted at
Apr 12, 2026, 8:32 PM
Active
View listing on r/WatchExchange