Wracając do tego: Przyszła odpowiedź z Longinesa: We thank you for contacting us and for your interest in Longines watches. Further to your request, we are pleased to provide the information contained in Longines' handwritten registers. The original serial number 4'722'761 identifies a wristwatch in metal. It is fitted with a Longines manually wound mechanical movement, caliber 17.26. It was invoiced on 05.09.1936 to the company Zipper, which was at that time our agent for Poland. For your information, your watch does not have any specific model name. We trust that we have responded satisfactorily to your request and remain at your entire disposal for any additional information. Best regards, Korci mnie aby wypełnić wskazówki odcieniem podobnym do cyfr. Co myślicie?