
Volney's meticulous research into Franco Cologni's authoritative book, "Les secrets de Vacheron Constantin," uncovers a fascinating horological mystery: the precise technique behind Vacheron & Constantin's distinctive mid-century wave-patterned dials. His detailed analysis, supported by historical references and personal observations, challenges a specific description in the text, inviting the community to weigh in on whether these intricate patterns were achieved through stamping or the more revered guillochage.





I'm 100% certain that guilloche dials were not ever stamped. I love these watches more than any other and this was really what distinguished them from their competitors, at least up until 1955. The odd thing was for how short a span of time these watches were produced. The earliest appeared about 1945 and they ended in 1954. As an aside, I owned what I called "The Marlon Watch", and I was the seller in 2009. I later heard that the buyer was the V&C museum.
Those dials are indeed a particular favorite of mine!
This is an interesting technique.
Back in 2009, I was but a kid: but I would have enjoyed handling the Marlon watch. The rupture introduced by the small second in the dial's pattern is especially enticing to me. In my appreciation of a watch's dial, texture is key, and mid-century Vacheron & Constantin guilloché here almost reigns supreme.
The English version of the book also clearly states "silver dial stamped using the frappé technique with applied markers" while other entries on the page clearly reference guilloché . Very strange.
We should inquire this further; as mentioned above, I am skeptical regarding the possibility of obtaining such results with stamping, especially in those years.
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