Rolex Sky Dweller Steel Rolesor Bright Black on Jubilee 336933 MK40 predating the Syloxi hairspring of

predating the Syloxi hairspring of the 2236)

a next-generation automatic movement featuring the Chronergy escapement

The prominent Snowflake hands and applied square markers

which pioneered the automatically changing date window in 1945

setting it apart from other Speedmaster models

Rolex Sky Dweller Steel Rolesor Bright Black on Jubilee 336933 MK40 predating the Syloxi hairspring ofOverview The Sky Dweller holds a specific position in Rolex's catalog: it is the brand's most mechanically complex watch, and the only reference built specifically for managing two time zones. The 336933 Oystersteel and 18k yellow gold Rolesor, bright black dial, Jubilee bracelet is the configuration that leans most deliberately into the dress register. The Jubilee bracelet does most of this work; it moves the Sky Dweller away from the sport watch