Mostly fairly straightforward, I found, but some tricky clues. Solving time: 18 mins.
Notes on some clues below – happy to explain others if asked.
ACROSS
11 RED EEM Definition is ‘deliver’ claret = red and final letters ‘latest’= of ‘the wine firm’
14 TIMEKEEPER Time is the enemy.
19 ERENOW Hidden. Definition is ‘previously’ Only six (letters) of wERE NO Women
DOWN
8 A CH IE VER(y)
12 PEN (I)CILLIN Writin’ = pencillin’
15 SECOND ER “Our present Queen is champion!” Tip-top clue, my favourite in puzzle. Champion = backer = seconder. Queen Elizabeth II is second ER.
Strictly speaking she isn’t the second ER (there were one or two Edwards before her)!
That had actually occurred to me, but then I thought …