amanico[JLC Moderator]
373384
Jaeger Lecoutre Enamel Guilloché.
This year is not the first year for enamel guilloché watches from Jaeger Lecoultre.
We had this superb pocket watch, with its enamel red guilloché. ( Credit picture: Jaeger Lecoultre )

And in 2014 / 2016, the Master Grande Tradition Perpetual Calendar 8 Days Skeleton, in blue, first, then in green.
Without forgetting the Reverso Tribute to Holder and Mucha:
Tribute To Holder:

To Georges Seurat:

To Hokusai:

And the Tribute to Mucha:

What do you think of enamel guilloché?
Best,
Nicolas