The watch has never been worn. There are scratches on the case, but not from use.  The blue plastic on the case back is still present.

Zenith El Primero Chronograph 06.0050.400 Yellow Gold 18 Kt 40 Mm White Dial Full Set 1997.

Zenith Chronograph El Primero Automatic 18ct gold Ref. 06.0050.400
Ref. 06.0050.400, men's watch, 18k yellow gold, approximately 40mm diameter, approximately 12mm height, sapphire crystal, automatic manufacture chronograph, hours, minutes, seconds, stop function, date, white dial, a Zenith brown alligator leather strap (spot as in pictures) with Zenith pin buckle in 18k yellow gold.

The Zenith Chronograph El Primero Automatic Ref. 06.0050.400
It is a high-quality and iconic watch from the renowned Swiss brand Zenith. Combining precise craftsmanship with a classic design, this watch is known for its outstanding performance and reliability.
The case of the Zenith El Primero Automatic Ref. 06.0050.400 is made of 18ct gold and has a diameter of 40 mm. The dial is in an elegant white.
At the heart of this watch is the legendary El Primero automatic chronograph movement, known for its high frequency of 36,000 vibrations per hour. The Zenith El Primero Automatic Ref. 06.0050.400 features a stop function, a small seconds at 9 o'clock, a 30-minute display at 3 o'clock, and a date display between 4 and 5 o'clock.
With its timeless design and high precision, the Zenith Chronograph El Primero Automatic Ref. 06.0050.400B is the perfect watch for anyone looking for a classic yet powerful wristwatch. This watch embodies Zenith's long tradition and technical know-how and is a true masterpiece on the wrist of every watch lover.
Box and paper as pictures.

The watch can be shipped from the USA (1 week delay) without paying additional fees and taxes.