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.
Buy Now on Jomashop
This is an affiliate link

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 El Primero 21 Blue Dial 95.9002.9004/78.R584 – Box / Papers

Zenith Defy El Primero 21 Blue Dial 95.9002.9004/78.R584 – Box / Papers

Zenith - 95.9002.9004/78.R584 · $6,690
The Zenith Defy El Primero reference 95.9002.9004/78.R584 is a modern Swiss watch blending cutting-edge design with the respected chronograph El Primero movement.

  • Condition: Excellent condition
  • Case size: 44mm
  • Case material: Titanium
  • Dial condition: Brand new condition
Posted at
May 23, 2026, 11:23 AM
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
The Zenith Tipo CP-2 Chronograph is a vintage-style chronograph inspired by military designs, featuring a matte black dial and bold lume markers.

  • Condition: Great condition, showing only light signs of normal wear
  • Case size: 43mm diameter
  • Movement: Zenith El Primero Cal. 4069
  • Power reserve: 50 hour power reserve
Posted at
May 22, 2026, 8:29 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 · $7,475
A Zenith El Primero Chronomaster Sport is being sold for a good mechanical timepiece in excellent shape.

  • Condition: Fantastic condition with few hairlines on clasp, case, and bracelet
  • Case Size: 41mm diameter
Posted at
May 21, 2026, 6:24 AM
Active
View listing on r/WatchExchange
[WTS] Zenith | 96.2260.4061/21.R575 | Rolling Stones Edition El Primero | $5,750

Zenith | 96.2260.4061/21.R575 | Rolling Stones Edition El Primero | $5,750

Zenith - 96.2260.4061/21.R575 · $5,750
This is a limited edition Zenith El Primero 'Tribute to Rolling Stones' watch in preowned condition, featuring a clean crystal and unknown service history.

  • Condition: preowned clean condition with minor hairline scratches
  • Service History: unknown
  • Shipping: FREE 2 Day Insured FedEx Shipping
  • Returns: NO RETURNS
Posted at
May 21, 2026, 12:04 AM
Active
View listing on r/WatchExchange
[WTS] Two Grand Seiкos Walk Into a Bar and Brought Excellent Friends — GS GMT, GS Spring Drive, Zenith El Primero, Piaget, ML Aikon Ti Purple, + Indie

Two Grand Seiкos Walk Into a Bar and Brought Excellent Friends — GS GMT, GS Spring Drive, Zenith El Primero, Piaget, ML Aikon Ti Purple, + Indie

Grand Seiko - SBGM253 · $4,650
Limited Edition, "Mt. Iwate" Grand Seiko GMT with a stunning light blue dial that shifts beautifully in different lighting.

  • Condition: Mint
  • Diameter: 42mm
  • Case material: Stainless Steel
  • Bracelet material: Stainless Steel
Posted at
May 20, 2026, 8:13 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
2024 Zenith Defy Skyline Chronograph 'Starry Sky' with El Primero 3600 high-beat auto chrono, 42mm stainless steel case, and integrated bracelet.

  • Condition: Excellent, light bracelet wear
  • Case Size: 42mm
  • Depth Rating: 100m
  • Movement: El Primero 3600 high-beat auto chrono (36,000 vph / 5Hz)
Posted at
May 19, 2026, 8:35 AM
Active
View listing on r/WatchExchange
[WTS] Panerai Luminor Chrono PAM00074 Titanium/Steel Zenith El Primero Movement 2002 (Full-Set/Serviced)

Panerai Luminor Chrono PAM00074 Titanium/Steel Zenith El Primero Movement 2002 (Full-Set/Serviced)

Panerai - PAM 00074 · $6,205
This exceptional Panerai Luminor Chronograph PAM 00074 represents a remarkable fusion of Italian design heritage and Swiss horological excellence, featuring the legendary Zenith El Primero automatic movement.

  • Condition: Pre-owned with honest wear consistent with careful ownership
  • Case size: 40 x 48mm
  • Year: 2002
  • Movement type: Zenith El Primero automatic movement
Posted at
May 18, 2026, 9:08 PM
Active
View listing on r/WatchExchange
[WTS] Zenith El Primero Chronomaster Open Gold Bezel/Two-Tone Complete Set 2022

Zenith El Primero Chronomaster Open Gold Bezel/Two-Tone Complete Set 2022

Zenith - 51.2080.4061/69.C494 · $6,996
This Zenith Chronomaster El Primero Open features a two-tone stainless steel and 18k rose gold design, silver sunray dial, open-heart display, and blue chronograph accents.

  • Movement: El Primero 4061 column-wheel chronograph
  • Material: Stainless Steel, 18k Rose Gold
  • Dial: Silver sunray
Posted at
May 17, 2026, 6:24 PM
Active
View listing on r/WatchExchange
[WTS] Zenith El Primero Vintage Rainbow Chronograph White Dial 40mm Box & Papers

Zenith El Primero Vintage Rainbow Chronograph White Dial 40mm Box & Papers

Zenith - El Primero Rainbow Chronograph · $3,950
The Zenith El Primero Rainbow Chronograph is a distinctive and historically significant chronograph that showcases the legendary El Primero movement in a bold and sporty design.

  • Condition: Great original condition for its age with typical signs of wear in the metals and fine hairlines in the crystal visible in harsh light under certain angles.
  • Size: 40mm diameter
  • Water resistance: 100m depth rating
  • Movement power reserve: ~50 hours
Posted at
May 17, 2026, 2:14 PM
Active
View listing on r/WatchExchange