Zenith - El Primero Chronomaster - Men - 1990-1999

An exceptional piece of high Swiss watchmaking is up for auction: the Zenith El Primero Chronomaster (Reference 20.0230.410) from the late 1990s. This model represents one of the most coveted combinations among collectors: the legendary high-frequency automatic chronograph movement El Primero, expertly integrated with a complete calendar (day, date, month) and a moon phase complication. The watch is presented in extraordinary condition and comes with its original box from the era and an authenticity certificate issued by Fakebuster, guaranteeing the total originality and legitimacy of all its components.

Technical Specifications / Technical Specifications
Brand: Zenith
Model: El Primero Chronomaster Triple Calendar Moonphase
Reference: 20.0230.410
Movement: Automatic, Zenith Calibre 410 (36,000 vph, 31 jewels)
Power Reserve: ~50 hours
Case Diameter: 40 mm (excluding crown)
Thickness: 13.3 mm
Case Material: Gold-plated / Stainless steel
Dial: Original white with Roman numerals and tachymeter scale
Crystal: Scratch-resistant sapphire (front and display back showing the movement)
Functions: High-precision chronograph, moon phases, triple calendar (day of the week, date and month)
Strap: Leather strap (not original) with buckle
Condition Report
Case: In excellent condition. The gold plating retains a magnificent shine and shows only micro-scratches due to very sporadic use. No severe wear exposing the base steel. (Rating: 8.5/10)
Dial and Hands: Impeccable, 10/10, with no patina or moisture.
Crystal: Clean sapphire crystals on both front and back, with no marks or scratches.
Movement: The Calibre 410 functions optimally. The chronograph resets perfectly to zero and all calendar and moon phase functions operate correctly both manually and automatically.
Accessories: Includes the original Zenith box from the period in good condition and the printed Fakebuster certification/authenticity report. Please note that this is an old watch with possible wear.