What year did Britain's Royal Flying Corps choose watches made by the company who later made the Electroquartz as their official timekeepers?
Omega Electroquartz The Omega Electroquartz was introduced in 1969 as the first production Swiss quartz watch. It was the collaboration of 20 Swiss watch companies and the movement was utilised by Rolex, Patek Phillipe and Omega SA amongst others. The Beta 21 movement used in the Electroquartz was accurate to 5 seconds per month, far better than any automatic or manual wind movement of the day.
28th (Thames and Medway) Anti-Aircraft Brigade 28th (Thames and Medway) Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army created in 1925 to command anti-aircraft units in Kent and around the militarily important Medway Towns, which it defended during the Battle of Britain and The Blitz.