Zenith Chronomaster El Primero Open Heart Power Reserve
 
Reference 03.2080.4021
 
With Original Box and Papers
 
From 2008
 
 
Zenith Chronomaster El Primero seamlessly increases both functionality and beauty 
 
thanks to its inclusion of an open heart dial and retrograde power reserve indicator 
 
42mm wide this reference 03.2080.4021 in stainless steel Zenith with El Primero case design complete with 
 
highly impressive providing ultimate elegance.
 
 
See through back shows the beauty of this intricate movement
 
 
Comes with gently worn original Zenith leather band and Zenith buckle
 
 
 
Functions: Chronograph and Power Reserve Indicator
 
Sapphire crystals
 
Stainless Steel
 
42mm
 
Case thickness 14.5mm
 
Silver Dial
 
Caliber: El Primero 400
 
Automatic
 
Water Resistance $100m
 
Power reserve 50 hours
 
Lug Width 22mm
 
FULL FACTORY-CONDITION RESTORATION – $1,500 invested
• Complete disassembly & factory-spec restoration (inside and out)
• 100 % genuine factory parts only – zero aftermarket
• New genuine seals installed and pressure-tested to original factory specification
• Newly restored and regulated to original chronometer-grade precision
• 1-year comprehensive warranty (most sellers offer none)
• 14-day 100 % money-back guarantee — no questions, no restocking fee
This watch is not merely “serviced.”
It is indistinguishable from one that left the factory the day it was born.
Look at eBay. Look across Chrono24.
If you find another example restored to this standard… buy it.
You won’t.