| Regimental number | 3646 |
| Place of birth | Cowra New South Wales |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Cowra, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs Margaret Watt, Grantvale, Barreyreenle, Cowra, New South Wales |
| Enlistment date | 1 August 1917 |
| Rank on enlistment | Private |
| Unit name | 55th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/72/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on 31 October 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Battalion |
| Fate | Returned to Australia 16 June 1919 |
| Family/military connections | Brother: 3655 Pte Hugh Roy WATT, 55th Bn, returned to Australia, 22 July 1919. |
