Indonesian marKet for local bags are growing rapidly lately. You can check all the recommendation here for some good quality bags. Price range is very wide, but I've already hade some of affordable ones that I shared here, and it's really well made. YOU SHOULD CHECK THESE OUT!
Full cow leather with velvet interior lining. Magnet closure, wide handle strap and extra long strap. Size: 23 x 15 x 12 cm. Handle drop: 25 cm.