Zenith El Primero El Primero Chronomaster Full Open 38 Stainless Steel / Alligator
Reference 03.2153.400/78.C813
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

Zenith El Primero Ref. 30.0500.400/21
A rare Zenith El Primero Ref. 30.0500.400/21 from the early 2000s, featuring a 38mm 18k yellow gold case and black dial.
- Condition: Pre-owned, with patina on the dial
- Case material: 18k yellow gold
- Diameter: 38mm
- Movement: serviced Zenith caliber El Primero 400