The penultimate camp of 2023 kicks off with a Wembley friendly against Australia before hosting Italy under the arch in a European Championship qualifier.
Watkins has not been called up since March 2022 and returned days after Southgate watched the striker score a hat-trick in Aston Villa’s 6-1 win against Brighton.
Bowen returns to the England squad for the first time since September 2022 having scored five goals in seven league games for West Ham.
There was no place for team-mate James Ward-Prowse despite his fine start to life in east London.
Sterling was another conspicuous by his absence after Southgate overlooked the 82-cap Chelsea forward for September’s fixtures. Mason Mount is also out despite returning to action with Manchester United.
England squad in full
Goalkeepers: Sam Johnstone, Jordan Pickford, Aaron Ramsdale.
Defenders: Levi Colwill, Lewis Dunk, Marc Guehi, Harry Maguire, John Stones, Fikayo Tomori, Kieran Trippier, Kyle Walker.
Midfielders: Trent Alexander-Arnold, Jude Bellingham, Conor Gallagher, Jordan Henderson, Kalvin Phillips, Declan Rice.
Forwards: Jarrod Bowen, Phil Foden, Jack Grealish, Harry Kane, James Maddison, Eddie Nketiah, Marcus Rashford, Bukayo Saka, Ollie Watkins