Serious watch heads will also appreciate the tiny power plant contained within the case: It’s Bulgari’s Piccolissimo mechanical manufacture micro-movement, a manually-wound caliber with a 3 Hz ...

Vintage Patek cocktail watches from the mid-20th century likewise sometimes obscure the watch dial behind gem-set covers, as do pieces from Omega, Van Cleef & Arpels, Vacheron Constantin, and others.