this was my first watch my father gave to me it had stopped years ago but with a little oil it started working again , lucky for me , now it is time to install a new crystal and this is my problem is this a what they call a high dome crystal or is this a small dome crystal , it has a small lip around it and is 27.11mm as seen in the photo`s
on the the watch face it has these number
23150 02474 I found out the last number 74 is the year 1974 ,
I would be grateful for any help