I co-own a handbag boutique in Seattle. We have lots of clients who are looking for openings without zips. Without knowing your other specifications - size, color, type of leather, price, etc., here are some of my favorites:
Foley+Corinna City Tote
Rebecca Minkoff Nikki
Morgan Oakley Ditch
Jane August Kings Road
Kooba Elisha
Kooba Natasha
Well, that's a start. There are tons of great bags out there without zip openings. Hope this helps!