Zenith El Primero A3817 Unpolished

rare reference - unpolished case - gay frères bracelet

This is a 70s Zenith El Primero A3817 with the famous tri-color dial, tonneau-shaped case and Gay-Frères bracelet. With about 1000 produced pieces, the reference A3817 is even rarer than the famous reference A386 with about 2500 produced watches.

An absolute highlight of this particular watch is the condition of the tonneau case. It has slight natural signs of wear, but it is unpolished. All lugs are sharp. The surface finish has remained intact to this day. The dial is preserved clean and perfect. The tritium in all hour markers and hands is original. Overall, this Zenith El Primero offers an authentic condition that is appreciated by vintage collectors and is original in every detail.

The perfectly balanced design of the tri-color dial always amazes vintage watch lovers. The overlapping sub-dials create a magical and unique look. The gray tachymeter scale and the white base color of the dial provide a nice contrast. The quick-set date is between 4 and 5 o'clock, as is known from many chronographs in the El Primero family.

The heart of the present Vintage Zenith is of course the automatic El Primero caliber 3019 PHC. The success story of this legendary chronograph movement began in 1969 when it was introduced. Other well-known manufacturers, above all Rolex, used the El Primero movement for their chronographs.

And last but not least, this watch comes with its original and extremely rare Gay-Frères ladder bracelet. These beautiful bracelets are lightweight and sit comfortably on the wrist. The clasp is stamped 4/68 (fourth quarter 1968).

We are proud to offer you this rare and attractive vintage wristwatch. Due to its excellent condition, this Zenith El Primero is a trophy for every vintage watch collector.

Serial number: 905Dxxx

Manufacturer: Zenith

Model: El Primero

Reference: A3817

Functions: date - chronograph - small second - pulse analyzer - tachymeter - Quickset date - screwed-on caseback

Material: Stainless steel

Watch glass: plexiglass

Bracelet: stainless steel

Type of clasp: deployant buckle

Diameter: 37mm

Caliber name: Zenith 3019 PHC

Movement type: automatic

Year of Manufacture: 1970

Overall condition: 9 - has rarely been worn - unpolished


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