That made him the first goalkeeper to reach 200 clean sheets in England's top division and Wenger believes the Czech's situation over the last week provides a measure of Cech's "humility" and "intelligence".
The players had come under serious criticisms after losing four straight games. He should be OK though.
"We know we can do better in defence and better in attack. He is not available for the weekend though". Mohamed Elneny and Granit Xhaka line up in midfield, while Mesut Ozil, Alex Iwobi and Henrikh Mkhitaryan support Aubameyang. "So when I saw it coming across I hoped that nobody tucked it in".
The Hornets will be without Younes Kaboul, Nathaniel Chalobah, Tommie Hoban, Gerard Deulofeu and Christian Kabasele, but Tom Cleverley has returned to light training and could return in the next few weeks.
Abdoulaye Doucoure is the club's top scorer with seven goals to his name so far this season.
The Gunners face Watford on Sunday looking for their first win in the league since the start of February.
Cech was at fault for both goals as Arsenal lost 2-1 at the Amex Stadium in their last top-flight outing, responding on social media after the game by taking full responsibility for the defeat.
Arsenal claimed a much-needed victory and it was Cech who picked up the man of the match award as a result of a superb all-round performance to preserve the clean sheet for his side against Watford.
Troy Deeney embraces Javi Gracia at full-time.
"I selected my team to have the chance to win the game and also rest some players I did not want to get injured", he added.