Zenith El Primero El Primero Chronomaster Full Open 38 Stainless Steel / Alligator

Reference 03.2153.400/78.C813

Zenith El Primero Chronomaster Full Open 38 Stainless Steel / Alligator

About this watch

The Zenith El Primero Chronomaster Full Open 38 is a masterpiece that combines elegance with cutting-edge technology. Its skeletonized dial reveals the intricate workings of the movement, showcasing the craftsmanship and adding a unique flair. The watch is encased in stainless steel, known for its durability and resistance to tarnishing, with a 42 mm diameter striking a balance between boldness and wearability. The El Primero 400 movement boasts a frequency of 36,000 vibrations per hour (VpH), offering unparalleled accuracy and precision. With a power reserve of 50 hours, the watch is powered by an automatic marvel that adds practicality to its elegance. A luxurious alligator leather strap complements the timepiece, enhancing its elegance and providing comfort throughout the day.
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Key Features

  • Skeletonized dial with 278 movement components
  • Stainless steel case with 42 mm diameter and 12.75 mm height
  • Sapphire glass for scratch resistance
  • 100 meters water resistance for daily wear
  • El Primero 400 automatic movement with 50 hour power reserve
  • Chronograph function for measuring elapsed time
  • Luxurious alligator leather strap for comfort and style

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Full Open 38 Stainless Steel / Alligator
Reference
03.2153.400/78.C813
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750

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
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[WTS] Ultra Rare Zenith El Primero Tourbillon Chronograph in 18K White Gold - Just 50 Made - Collector Set

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
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[WTS] Zenith Tipo CP-2 Chronograph 03.2240.4069, Underrated El Primero Beast (641/1000)

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
[WTS] Zenith Chronomaster. El Primero. Power Reserve. Open Heart. OEM Strap, OEM Deployant Clasp...

Zenith Chronomaster. El Primero. Power Reserve. Open Heart. OEM Strap, OEM Deployant Clasp...

Zenith - Chronomaster El Primero Power Reserve Open Heart · $3,400
A Zenith Chronomaster with El Primero movement and Power Reserve, featuring an Open Heart design.

Posted at
May 8, 2026, 5:24 PM
Active
View listing on r/WatchExchange
[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 · $7,525
Up for sale is a Zenith El Primero Chronomaster Sport - White Dial - 41mm, which functions perfectly mechanically without issue.

  • Condition: Fantastic condition with few hairlines on clasp, case, and bracelet
  • Case size: 41mm diameter
  • Box: full set with box, travel case, user manual, card holder & warranty card
Posted at
May 7, 2026, 6:40 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 · $6,230
This is a Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary watch, produced in 2014. It comes with the full set of box and papers.

  • Condition: Lightly Used
  • Year: 2014
  • Box And Papers: includes full set
  • Shipping Cost: 150
Posted at
May 6, 2026, 5:36 AM
Active
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[WTS] Zenith “Open Heart” - El Primero Movement - Sexy AF

Zenith “Open Heart” - El Primero Movement - Sexy AF

Zenith - 03.0520.4021 · $2,350
A rare white dial Zenith El Primero 'Open Heart' automatic chronograph watch featuring an open-heart design and high-beat movement.

  • Condition: Very Good
  • Dial color: white
  • Case size: 42mm diameter
  • Movement: El Primero high-beat automatic chronograph (36,000 vph)
Posted at
May 5, 2026, 8:22 PM
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[WTS] Zenith El Primero Chronomaster Poker Chip 97.G383.400/38.C881 ♦️Like New 2022♦️

Zenith El Primero Chronomaster Poker Chip 97.G383.400/38.C881 ♦️Like New 2022♦️

Zenith - 97.G383.400/38.C881 · $8,400
A Zenith El Primero Chronomaster Poker Chip from 2022, in excellent condition with box and papers.

  • Condition: Like New
  • Year Of Production: 2022
  • Case Condition: Like New
  • Includes Accessories: Full set (box & papers)
Posted at
May 5, 2026, 2:26 AM
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[WTS] OG Zenith El Primero Flyback Chronograph - For The French Military - Ref 02.0470.405/25 - FULL COLLECTOR SET

OG Zenith El Primero Flyback Chronograph - For The French Military - Ref 02.0470.405/25 - FULL COLLECTOR SET

Zenith - 02.0470.405/25 · $4,250
This is an original Zenith El Primero Flyback Chronograph designed for French military aviation, featuring a matte black dial and a 40MM stainless case.

  • Condition: Very good condition, with wear throughout
  • Dial: matte black dial with clean chronograph layout and lume
  • Case: 40MM diameter stainless steel case in unpolished condition
  • Bracelet: original stainless Zenith bracelet with double butterfly clasp, fits up to 7 inches
Posted at
May 4, 2026, 8:41 PM
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View listing on r/WatchExchange