Kembery Antique Clocks Ltd has dated this piece to the 1920s.
The 8-day, precision fusee mechanism is marked G.B.E for Grimshaw, Baxter and Elliott (1909-1921). They later became the Elliott clock company from 1923.
Most sector clocks are for the WW2 period, this is the rarest of all being circa 1920. This was just after the RAF was formed from the Royal Flying Corps (RFC).

These Sector clocks are arguably the most famous, designed with a specialized dial to assist air traffic controllers and fighter command in monitoring the movement of aircraft. They were crucial during the Battle of Britain.

Height / Width 18" / 46cms Depth 7 1/2" / 18cms.
From Kembery Antique Clocks Ltd you can expect a genuine antique clock that has been serviced with 12 months guarantee. Please phone 01179565281 to order the clock. We can send you a detailed video by Whatsapp. Worldwide tracked sending, please contact us for a quote. We are members of The British Watchmakers and Clockmakers Guild.
Kembery Antique Clocks Ltd has dated this piece to the 1920s.
You can view the stock and full dealer information on the Kembery Antique Clocks Ltd Profile Page