Master Navigational GCT Watch AN-5740 4992B 24 Hour and Carrying Case (for repair) S2 Tracker

Master Navigational GCT Watch AN-5740 4992B 24 Hour and Carrying Case (for repair) S2 TrackerThis is an authentic GCT (Greenwich Civil Time) Master Navigational Watch AN 5740 Hamilton Part No 33106, Grade 4992B 22 jewel movement, suspended within an original metal Carrying Case. The watch has a serial number prefix of AF58, evidence of a 1958 manufacturing order. The watch rests suspended on shock springs within the carrying case, and can be viewed through a glass window by rotating the metal door to reveal the watch. The metal case was also

The B-7 indicator had an integral light source in the upper right corner

so it may have been intended for a two seat trainer

which was to be set for the maximum permissible speed in a dive for the aircraft type in which it was installed

assuming to be in seconds (since it does not run)

and we assess it as 'good'

it has retained its data plate with part or serial number of 166 14050034 200000 and a date stamp 1944

The sextant appears to be intact

and is 4 lbs

but could possibly be repaired

It was also placed in passenger aircraft of the BOAC

the swept-winged Cougar replaced the straight-winged F9F Panther (pre F9F-6) providing greater airspeed and performance

The Army type E-9 tachometer indicator consists of a three phase alternating current  synchronous motor and an indicating element