| Regimental number | 6664 |
| Place of birth | Littlehampton South Australia |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Littlehampton, South Australia |
| Marital status | Single |
| Age at embarkation | 18.6 |
| Height | 5' 9" |
| Weight | 140 lbs |
| Next of kin | Father, L T Watts, Littlehampton, South Australia |
| Previous military service | Served in the Senior Cadets; still serving at time of AIF enlistment. |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 27th Battalion, 19th Reinforcement |
| AWM Embarkation Roll number | 23/44/5 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Corps Working Party |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 1362 Sergeant Norman Roy WATTS, 16th Bn, killed in action, 11 April 1917. |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Berrima', 13 January 1919; discharged (underage), Adelaide, 19 March 1919. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, WATTS Luke Theophilus John |