Mint condition on this rare One Button Physicians'  Pulsation Chronograph.  Dial is in mint original condition in silver with Pulsation registers....its fabulous!  Movement is a caliber 450 with 17 jewels and dates to 1943 according to serial number and running perfect.  Case is the Gruen Guildite (Gruen Stainless Steel) and near mint overall with fancy sculptured lugs.  Case measures 33mm x 42mm overall and comes with black genuine Crocodile band.  Unbelievable condition on this one... and produced by one of Americas great watch Companies!