taken from the 2006 Panerai catalogue. Probably the only most notable one of interest is OP XI, which has been repped very very well (with some minor mods). I believe that most of the others are replaced with an asian or swiss valjoux 7750, asian 21j's, unitas, or other?
Panerai Calibre:
OP XI: Equipped in Luminors and Radiomirs. 17 jewels, 21600 bph. Notice "swan-neck" regulator. Right now there are highly accurate reps (after mods) of these in the Rep World - ie: 111H/177H modded.
OP XIV: Equipped in Radiomir 8 Days. 33 jewels, power reserve 8 days, 28800 bph. Notice "swan-neck" regulator. *** Notice the 8 day meter is viewable through the back of the watch. is that SWEET or what?
OP III: Equipped in Luminor Automatic & Submersible. 21 jewels, 28800 bph. **opVIII (Luminor GMT) and opIX (Power Reserve) not listed.
OP XII: Equipped in Luminor Chronos. 27 jewels, 28800 bph.
OP XVIII: Equipped in 1950 Rattrapante. 31 jewels, 28800 bph. Double column wheel.
OP XIX: Equipped in 1950 Flyback. 30 jewels, 28800 bph.
P.2002: Equipped in Luminor 1950 8 Days GMT. Panerai's inhouse movement. 21 jewels, 28800 bph. 8 day power reserve with horizontal indicator.
Panerai Calibre:
OP XI: Equipped in Luminors and Radiomirs. 17 jewels, 21600 bph. Notice "swan-neck" regulator. Right now there are highly accurate reps (after mods) of these in the Rep World - ie: 111H/177H modded.

OP XIV: Equipped in Radiomir 8 Days. 33 jewels, power reserve 8 days, 28800 bph. Notice "swan-neck" regulator. *** Notice the 8 day meter is viewable through the back of the watch. is that SWEET or what?

OP III: Equipped in Luminor Automatic & Submersible. 21 jewels, 28800 bph. **opVIII (Luminor GMT) and opIX (Power Reserve) not listed.

OP XII: Equipped in Luminor Chronos. 27 jewels, 28800 bph.

OP XVIII: Equipped in 1950 Rattrapante. 31 jewels, 28800 bph. Double column wheel.

OP XIX: Equipped in 1950 Flyback. 30 jewels, 28800 bph.

P.2002: Equipped in Luminor 1950 8 Days GMT. Panerai's inhouse movement. 21 jewels, 28800 bph. 8 day power reserve with horizontal indicator.
