Here is a collection of my watches with the moon phase indication (plus the stars). Starting with a couple of my favorite IWCs. (Thanks, Bill B. for the photo tips.)
IWC Portuguese Perpetual Calendar, IW502218.
IWC Vintage Collection Portofino Hand-wound, IW544801.
Jaeger-LeCoultre Master Perpetual Calendar, 140.8.80.S
Jaquet Droz Majestic*Beijing Eclipse, J012633202
Omega Speedmaster Professional "Moonphase" Chronograph, 3576.50
Ebel Triple Date Moon Phase Calendar, c. 1940.