Captain Watson served with the King's Dragoon Guards

"Captain Watson served with the King's Dragoon Guards in the Zulu war of 1879 ; was Staff Officer at Conference
Hill from 13th June to 3rd August, and served afterwards with the squadron of the Regiment in Baker Russell's
Flying Column."

Captain Henry (Harry) James Watson, 1st (The King's) Dragoon Guards

He served with the King's Dragoon Guards during the War. He was staff officer at Conference Hill from the 13th June to the 3rd August. He subsequently served in Baker Russell's Flying Column. He later exchanged into the 11th (Prince Albert's Own) Lancers.

Date of Birth - 4th May 1850.
First Appointment - Ensign - 34th Foot - 7th May 1870
Cornet - 1st Dragoon Guards - 7th May 1870
Lieutenant - 1st Dragoon Guards - 28th October 1871
Captain - 1st Dragoon Guards - 19th February 1879
Captain - 11th Hussars - 17th December 1879
Major - 11th Hussars - 25th July 1883
He passed the Staff College Examination in 1878
South African War - 1879 - Zulu Campaign. Medal with Clasp.
Source '1884 Army List' (p 72, 315, 733 & 1396)