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

Reference 03.2153.400/78.M2150

Zenith El Primero Chronomaster Full Open 38 Stainless Steel / Bracelet

About this watch

The Zenith El Primero Chronomaster Full Open 38 is a masterpiece that merges technical sophistication with aesthetic appeal. At the heart of this stunning timepiece is the Zenith caliber El Primero 400, an automatic movement comprising 278 components and 31 jewels, operating at a frequency of 36,000 vibrations per hour (VpH). This finely tuned orchestra of timekeeping features a chronograph and column wheel mechanism that allows for incredibly accurate timing. The watch's skeleton dial reveals the intricate workings of the movement beneath, showcasing Zenith's craftsmanship. With a power reserve of 50 hours, this precision timepiece is designed to ensure accuracy. The El Primero Chronomaster Full Open 38 features a stainless steel case, measuring 42.00 mm in diameter, and a sapphire crystal that enhances clarity while protecting the watch. This luxury timepiece boasts water resistance of 100 meters, allowing you to wear it with confidence, whether swimming, showering, or caught in the rain. The Zenith El Primero Chronomaster Full Open 38 is more than just a watch; it's a celebration of what horology can achieve.
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Key Features

  • Zenith caliber El Primero 400 movement
  • Skeleton dial for unique look
  • Stainless steel case with sapphire crystal
  • Water resistance up to 100 meters
  • Chronograph and column wheel mechanism
  • Automatic movement with 50-hour power reserve

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Full Open 38 Stainless Steel / Bracelet
Reference
03.2153.400/78.M2150
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][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 · $7,500
Up for sale is a Zenith El Primero Chronomaster Sport - White Dial - 41mm that functions perfectly mechanically without issue.

  • Condition: Fantastic with few hairlines on clasp, case, and bracelet
  • Case size: 41mm diameter
Posted at
May 14, 2026, 7:25 AM
Active
View listing on r/WatchExchange
[WTS] Neo Vintage French Military Zenith El Primero Flyback Chronograph Ref 02.0470.405/25 FULL COLLECTOR SET

Neo Vintage French Military Zenith El Primero Flyback Chronograph Ref 02.0470.405/25 FULL COLLECTOR SET

Zenith - 02.0470.405/25 · $4,250
This is a unique Neo Vintage French Military Zenith El Primero Flyback Chronograph, featuring a matte black dial and stainless case. The watch comes in a collector's box and papers set, including an original serialized hang tag.

  • Condition: really nice condition, with wear throughout
  • Case size: 40mm diameter
  • Bracelet length: fits up to app 7 inches
  • Movement type: automatic chronograph with quickset date winding
Posted at
May 11, 2026, 8:57 PM
Active
View listing on r/WatchExchange
[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
View listing on r/WatchExchange
[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
View listing on r/WatchExchange
[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
Active
View listing on r/WatchExchange
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete

Zenith - 03.2040.4061/69.C496 · $4,950
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
View listing on RolexForums
Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170

Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170

Zenith - 03.2170.4613/01.M2170 · $4,000
A Zenith El Primero Synopsis Open Heart watch with a 40-millimeter case diameter and gold-toned hands, featuring an open heart design and classic modern architecture.

  • Condition: Excellent, little to no visible wear
  • Case Diameter: 40mm
  • Bracelet Length: 16.5 links
  • Bracket Fit: up to 7.25 inches in circumference
Posted at
Mar 27, 2025, 2:21 PM
Active
View listing on RolexForums