Here's a picture of the Panerai P.3000 manual wind movement that is housed in 47mm Radiomir Bases such as the PAM373 Radiomir 3 Days Platino which is a limited edition of 300 watches. The PAM379 Radiomir 3 Days Oro Rosa is another 47mm Radiomir that house...
... the MM ref 587, the 372 and a 424 Cali. I like the P3000 very much, as I found it reliable and accurate in my three watches. I specially like the feature which allows to change the hour hand without affecting the functioning of the movement to reflect...
I find the P.3000 movement housed in a Radiomir re-aditions like 448, 449 aka California, 425, etc. rendering the case slightly thicker for my liking. Cheers, Ken