spring 2021 :
the Blue Book five
Post WW2 enamelled & decorative
pocket watches
Enamelled & decorative wrist-watches
2nd generation automatic watches (cal. 27 460)
The Ellipse history & production
end 2021 :
the Green-Book two
Enamelled and Decorative wrist-watch dials
by Rolex, Vacheron-Constantin, etc.
coming in 2022 and later :
the Blue-Book six
Post WW2 complicated pocket watches
Post WW2 enamelled & decorative clocks
Eight-day watches
Coin and Skeleton watches
3rd generation automatic watches (cal. 28 255)
the Blue-Book seven
Patek Philippe 100 years of shaped wrist-watches from the 1920s to the 2020s
Patek Philippe center seconds pocket and wrist-watches
the Blue-Book eight
"The Patek Philippe" Vintage Catalogues Collection
by Eric Tortella
the Green-Book three
Tribute to the Rolex Prince
by Eric Tortella
the Green-Book four
Dials explained and illustrated
by Eric Tortella
the Green-Book five
Cases explained and illustrated
by Eric Tortella
the Green-Book six
Movements explained and illustrated
by Eric Tortella
go to
the Green-Book one
the Blue-Books one to four
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