This is an iconic 1950's IWC caliber 88 manual wind Calatrava. The watch was considered jumbo size for the decade considering that most watches were under 32mm in size. This watch features flared lugs and the a sub second dial at 6 o'clock. The dial is all original which is rare considering that most of the watches from this decade have reprinted dials. This watch has been serviced and comes with a one year warranty.