2891-1 from 1956. The biggest of the non-jumbo versions at 36mm w/o crown. The ref 2891 was the transitional model that came both with and without the Seamaster logo. Manual 267 calibre, same as the legendary Railmaster from the same time period.
2891-1 from 1956. The biggest of the non-jumbo versions at 36mm w/o crown. The ref 2891 was the transitional model that came both with and without the Seamaster logo. Manual 267 calibre, same as the legendary Railmaster from the same time period.