OMEGA SEAMASTER CALENDAR cal. 355 ( automatic - bumper ) ref. 2657 7SC manufactured in 1954 The watch is preserved in natural - ORIGINAL condition. The beautiful dial is original, never restored It is covered with a real, light patina The whole dial is complemented by beautiful gold indexes The watch's envelope is steel The condition of the watch can be judged by the attached photos The photos were taken in macro mode The mechanism works very well, it was checked by a watchmaker I do not know any date of service of this watch ( disassembly, washing, assembly of the mechanism) A watch for a collector who will appreciate its condition Or for everyday wear It is difficult to find a 70 year old watch in such good and original condition today. Not: Bracelet after market