Piaget Emperador “Ultra Thin” Dresswatch Black Dial ref. 9591 in 18k white gold judgeme_excluded the Mk5 (identified by the

the Mk5 (identified by the SUBMARINER text being above the depth rating and wider than the depth rating text)

these watches were designed to fill the gap between the time-only Calatrava (typically priced around $9K in the 1990s) and the much more expensive $45K perpetual calendar reference 3940

which used the older caliber 1030 movement that Rolex was beginning to phase out of its sports models

The dial has nice crisp text and the lume on the hours match the hands

The 29 x 41mm  case is in great condition

Piaget Emperador “Ultra Thin” Dresswatch Black Dial ref. 9591 in 18k white gold judgeme_excluded the Mk5 (identified by thePiaget is renowned for its mastery in crafting some of the thinnest mechanical watches in the world, and reference 9591 is a classic example of that ultra thin elegance. Piaget carved out a niche as a leader in ultra thin dress watches, competing with other haute horlogerie brands but often setting the benchmark with record breaking slim calibers. This fine dresser is executed in 18k white gold, with a 30 x 32 mm caseneither square nor fully rounded.