Good afternoon

please can I have some help confirming the following crowns? I believe the first two are for Seamaster 300’s and the last one is for a Speedmaster, all are flat foot. The (rough) measurements are 1-6.7x 3.25, 2-6.7x3.3 and 3-6.8x3.8.

Thanks in advance

 

Number 1

 

Number 2

 

Number 3

 

Your assessment looks quite right !

 

Thanks for your assistance