| Regimental number | 385 |
| Place of birth | Nowra, New South Wales |
| Other Names | WATT, Sidney Alexander |
| Religion | Presbyterian |
| Occupation | Motor driver |
| Address | Wandandian, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, William Watt, Wandanian, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, B Company |
| AWM Embarkation Roll number | 23/20/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 20 |
| Place of burial | Parade Ground Cemetery (Row D, Grave 8), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 38 |
| Miscellaneous information from cemetery records | Commemorated in Nowra Cemetery, New South Wales. Parents: William (d. 18 November 1928, aged 63; bu. Nowra) and Ann (d. 26 April 1952, aged 81; bu. Nowra). Photo: Peter Dennis |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
