Zenith El Primero El Primero Chronomaster 42 Stainless Steel / Blue / Alligator
Reference 03.2040.400/53.C700
About this watch
The Zenith El Primero Chronomaster 42 is a masterpiece of luxury watchmaking, blending precision, style, and history in perfect harmony. Its stunning blue sunburst dial shifts with the light, creating a dynamic look that's hard to ignore. The stick and dot indexes are applied with precision, offering a clean look while ensuring readability. At its heart lies the Zenith caliber El Primero 400B, an automatic movement known for its high frequency of 36,000 vibrations per hour, allowing for exceptional accuracy. With a power reserve of approximately 50 hours, this watch is perfect for everyday wear. The luxurious alligator leather strap adds a touch of elegance to the overall design, while the stainless steel case provides durability and a polished look that catches the eye.
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Key Features
- Zenith caliber El Primero 400B automatic movement
- 42mm diameter stainless steel case
- 100m water resistance
- 50hr power reserve
- Luxurious alligator leather strap
- Blue sunburst dial with stick and dot indexes
- High frequency of 36,000 vibrations per hour
Specifications
- Brand
- Zenith
- Family
- El Primero
- Model
- El Primero Chronomaster 42 Stainless Steel / Blue / Alligator
- Reference
- 03.2040.400/53.C700
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph, Column wheel
- Case
- Stainless Steel 42mm
- Dial Color
- Blue
- 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