Longines Weems Second-Setting Watch (1930s–1940s)
Longines Weems Second-Setting Watch (1930s–1940s) Developed with U.S. Navy Captain Philip Van Horn Weems Used by pilots and navigators for precise time synchronization . Distinct feature: Rotating inner or outer seconds bezel . Dial sizes: 27–47mm. Movements: 12.68 , 37.9 calibers . Historical users: U.S. Navy , RAF navigators , Charles Lindbergh recommended them.