The Ritchey Skyline looks way too modern to me, but the Classic would work for looks.
Ritchey Classic
size 142 x 278
weight 330g
plastic shell with poly foam + synthetic leather
.
I've also found
Selle San Marco Regal
size 149 x 282
weight 380g
rivetted
"stiffer than rolls with less padding"
.
Selle Italia Turbo Matic 2
size 145 x 270
weight 367g
very popular BITD
.