Since there is no American edition, and a heavy dose of "big name" authors - this is rather scarce.

Stopwatch - edited by George Hay. An original anthology - all stories new to the 1974 hardcover edition.

(Introduction by George Hay)
"The Protocols of the Elders of Britain" by John Brunner
"Are Your Home-grown Vegetables Radioactive?" by Kathleen Brennan
"Ash, Ash" by Robert P. Holdstock
"All We Have on this Planet" by A. E. van Vogt
"EA 5000: Report on the Effects of Riot Gas" by Ian Watson
"Intracom" by Ursula K. LeGuin
"A Bedtime Story" by D. Letts
"The Invisible Men" by Christopher Priest
"Now Is Forever" by Edward Allen
"Charly" by Perry A. Chapdelaine
"When the Music's Over" by Andrew Darlington
"In Memoriam, Jeannie" by Josephine Saxton
"Doctor Fausta" by David I. Masson