Zenith "Keyhole" s.65 Ref.6620 c.1965

Regular price £1,350.00

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The Watch
 In 1965 Zenith became 100 years old and to celebrate they designed the Keyhole.

Zenith was founded in 1865 by Georges Favre-Jacot and is one of the oldest continuously operating watchmakers. Favre-Jacot invented the concept of "in house movements", believing that only through control of the entire watchmaking process could the highest quality be achieved.

While many watch brands have faded into obscurity over the years, Zenith remains a presence in the industry, standing tall even today, which is a real testament to the quality they have produced over their 159 year existence.


This celebration designed dress watch represents the epitome of the period for the brand. The standout feature of this watch undoubtedly lies in its design. The 36mm case with its prominent bezel to the small dial and the cutout for the date window, earning it the nickname "Keyhole." It is powered by a quality Caliber 2542 PC Automatic Movement.


When we find a Keyhole these days many have had the dial repainted and have lost the pattern that extends from the calendar and adds to the "keyhole look".  The dial on this is beautiful and has aged a wonderful Golden colour.


View "Keyhole" in a video: here

The Specs

Age: c.1965.
Reference: S65/A6620.
Movement: Automatic with Centre Seconds. Quickset Date. Midnight to 7.30pm.
Calibre: 2542PC.
Timekeeping: Very Good.
Service History: Fully Professionally Serviced 2022.
Dial: Original Zenith Factory Dial.
Case: Steel.
Measurements: 36mm.
Bezel: Solid.
Water Resistant?: No.
Hands: Original.
Crystal: Original.
Crown: Original Zenith Crown.
Strap/Bracelet: On a Vintage Stelux Steel Bracelet. Fits up to Approx 7.2in Wrist with no spare links.
Lug Width: 18mm.

Getting Acquainted

Bits that stand out:
- Excellent Quality Movement.
- Celebration Model.
- Keyhole Crystal.
- 36mm Case.
-All Original bar Strap.

Nitty Gritty:
- Some minor marks to the Case.
Overall this KeyHole is in nice condition.
The Dial has aged Beautifully.
 Case is in nice order.
Crystal is Original and also in excellent order.
Crown is Original and in excellent order.
The hands are in excellent nick.
 Photographed on a 7 inch Wrist