Calibre Valjoux 7750-P1 is an exclusive automatic watch movement produced by ETA for Panerai and sold as OP III, OP VIII, OP IX, OP XV, OP XXII, OPVVXI.

Self-winding movement with 21 jewels, ball-bearing rotor, unidirectional winding, 28,800 A/h, power reserve ca. 42 hours. This is a very rare variant of the Valjoux 7750, here without chronograph module.

The calibre is used exclusively by Officine Panerai in a number of models (and is there certified as a chronometer by the COSC)

Automatic movement with hours, minutes, sub seconds, date.

• Panerai Ferrari (FER00001, 00002)
• Panerai Luminor 1950 Submersible (PAM 243, 358)
• Panerai Luminor Arktos (PAM 092)
• Panerai Luminor Automatic (PAM 081)
• Panerai Luminor Blackseal (PAM 076)
• Panerai Luminor Marina (PAM 195)
• Panerai Luminor Marina Automatic (PAM 048, 049, 050, 051, 069, 070, 086, 091, 104, 119, 120, 140, 164, 165, 180, 209, 220, 221, 229, 240, 279, 282, 283, 296, 298, 299, 301, 333)
• Panerai Luminor Marina Regatta (PAM 107)
• Panerai Luminor Sealand (PAM 152, 153, 154, 155, 216, 813, 814, 815, 816, 817, 818, 831, 832, 833)
• Panerai Luminor Submersible (PAM 024, 025, 064, 087, 106, 170, 194, 199, 239)
• Panerai Radiomir Black Seal (PAM 287)

Automatic movement with hours, minutes, sub seconds, date, GMT hand.

• Panerai Luminor GMT (PAM 088, 089, 156, 159, 160, 161, 186, 228, 237, 244, 252, 297)
• Panerai Ferrari GMT (FER00003, 00009)

Automatic movement with hours, minutes, sub seconds, date, power reserve indicator hand at 5 00.

• Panerai Luminor Power Reserve (PAM 090, 093, 123, 124, 125, 126, 171, 222, 241)

Automatic movement with hours, minutes, sub seconds, date, depth gauge.

• Panerai Depth Gauge (PAM 193)

Automatic movement with hours, minutes, sub seconds, Agenhor perpetual calendar module.

• Panerai Ferrari Perpetual Calendar (FER00015, 00016)

Hand-wound movement with hours, minutes, sub seconds, 30 minute regatta timer at 3 00 via module. This is an unusual movement because it is hand-wound rather than automatic and does not use the 7750 chronograph; rather, it uses a regatta timer module. It is very like Valjoux 7761.

• Panerai Luminor Regatta Chronograph (PAM 308)

• Valjoux 7750
• Panerai calibres