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
“Differs” marks a spec with different recorded values. — means not recorded.
| Spec | Weems Second-Setting Cal. 18.69N 1930s Weems Second-Setting, Byrd Antarctic Expedition-associated case type | Weems Second-Setting Cal. 37.9 1940s production Weems Second-Setting |
|---|---|---|
| Case size | 47 mm | 47 mm |
| Case Differs | Silver, round | stainless steel, round |
| Crystal | glass | glass |
| Caliber Differs | Longines cal. 18.69N | Longines cal. 37.9 |
| Movement maker | Longines | Longines |
| Movement type | Manual | Manual |
| Dial | white | white |
| Indices | Not recorded | Arabic numerals |
| Produced Differs | 1933–1938 | 1940–1948 |