This is what the word „toolwatch“ was once meant to be. The one and only IWC Compass Porsche Design (Ref. IW3510) from the 1980s. The black coated 39mm aluminium case comes with several innovative patents that you will only find in this watch. First of all the integrated compass with mirror, which can be found by unfolding the top part of the watch, locked by two buttons. You would also have to mention the ultralight integrated bracelet linksystem, sidekicked with a very special clasp-lock contruction. The watch with a hight of only 13mm, considered it´s exclusive function, wears very comfortable and looks just awesome on the wrist. The IwC is in all original and unmolested condition with a few patina signs on case and bracelet and a dial and handset with beautifully toned original tritium. the automatic caliber is running exact and strong. it currently fits wrist up to 18cm circumference and we will even deliver two additional links with.