Wittnauer
"Type A-11"
cockpit clock [ca. 1950s]
Designed to meet the USAAC/USAF A-11 specification for cockpit clocks from the 1940s thru the 1960s.
Case: ref# AN5743L2, anodized aluminum, 2.25" panel-aperture Ø.
Movement: hand-wound Lemania calibre 90 with 8-day power-reserve.
