piccolochimico (aka dsgalaxy1)
2406
34+36+38
34 mm is an old Ebel time zone which i've been given as temporary watch from a big-hearted friend.
Actually too small to read it properly, but it's a precious gift.
I'd say my current watches are 36 (Gp 8010) and 38 mm of an old Zenith Pilot defy , so it's easy to calculate the average.