- Wakmann: 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 7510 with 8-day power-reserve.
- Elgin: Designed to meet the USN specification for cockpit elapsed mission-timers.
- Case: ref# 51A45A1, anodized aluminum, 2.25" panel-aperture Ø.
- Movement: hand-wound Elgin 692 timer with sequential start-stop-reset actuation.