This watch has an uncanny similarity to the Mido Commander DatoDay watches.. Even the fonts are the same . It is an authentic Sandoz HongKong, made in HongKong and its movement is a Miyota Automatic which are made in HongKong , produced by Miyota/Citizen for other watchmakers. Its backcover is a gold-plated, authentic Sandoz but does not state Swiss-Made. Therefore , it is a Sandoz from HongKong or Singapore.vintage, with the look of a vintage Mido Commander Datoday., which is very popular in the Far East.. It is made by one of the 4 present-day, independent Sandozes,(Switzerland, Spain, Singapore & HongKong), but can be narrowed down to HongKong & Singapore.