Wittnauer Weems Second-Setting Navigation Watch
Mid-1930s through the 1940s; an oversized (typically ~47mm) aviator's navigation wristwatch, designed to be worn over a flight jacket sleeve.
2 references
| Reference | Variant | Years | Dial | Size |
|---|---|---|---|---|
| Weems Second-Setting Cal. 18.69N | 1930s Weems Second-Setting, Byrd Antarctic Expedition-associated case type | 1933–1938 | white | 47 mm |
| Weems Second-Setting Cal. 37.9 | 1940s production Weems Second-Setting | 1940–1948 | white | 47 mm |