| Navy | The Royal Navy |
| Type | Destroyer |
| Class | Admiralty V & W |
| Pennant | D 26 |
| Built by | John Brown Shipbuilding & Engineering Company Ltd. (Clydebank, Scotland) |
| Ordered | |
| Laid down | 17 Jan, 1917 |
| Launched | 2 Dec, 1917 |
| Commissioned | 26 Jan, 1918 |
| End service | |
| Loss position | |
| History | Reconstruction to Long Range Escort finished in August 1943.
Scrapped in July 1945. Commanding Officers: Lt.Cdr. Edward Campbell Lacy Day, RN Lt.Cdr. John Malcolm Rodgers, RN HMS Watchman was in Dockyard Control during reconstruction / refit Lt.Cdr. G.H.D. Williams, RN Lt. Charles Edward Sheen, DSC, RN T/A/Lt.Cdr. John Richard Clarke, DSC, RNVR HMS Watchman is not listed in the October 1945 Navy List |
| Noteable events involving Watchman include: 7 Apr, 1945 |
