A stainless steel, time only mechanical 'Calatrava' gentleman's wrist watch with subsidiary seconds.  This beautiful, graphic and classic wristwatch by esteemed horologists, Longines, is in excellent completely original condition.  The fixed lug case is very clean and sharp in an unpolished state, showing off all the original lines.  The snap case back is fully signed an numbered inside, and removing it exposes a beautiful gilded Longines caliber 12.68 mechanical movement in excellent fully functioning condition.  The dial is in excellent original condition, not refinished, and only showing very slight colour aging to it.  The subsidiary sweep hand and the hour and minute hands are blued steel, and are also all original.  Overall, an excellent time only watch in a good sized case, presented in wonderful original condition.  Produced circa 1950's.