Most 5711s you'll see use
link the caliber 324SC. But take another look at that press release from 2006: In it,
link Patek says that the new 5711 is powered by the caliber 315SC. It's thought that Patek was getting rid of these 315SC movements (used in the previous white gold 3711G). The caliber 315 can be found in examples from 2006 through early
link 2007. Given the short production, these First Series examples are seen less often.
Locked
