GERALD GENTA Octo Chronograph Automatic Watch Movement Kit

600 CHF

Out of stock

Automatic watch movement Gérald Genta Octo Chrono based on the ETA/Valjoux 7750.

Watch model reference number G.3550.7, “The Original Octo“, year 1996.

Full movement kit including the dial and the hands.

The GERALD GENTA Octo Chrono automatic movement is based on the automatic chronograph 7750 Valjoux and it has a lever escapement, 25 jewels, mono-metallic balance, 28,800 A/h, Incabloc shock absorber.

The movement has overlapping circular patterns “œil-de-perdrix” finishing, the oscillating weight is decorated with circular “Cotes de Geneve” stripes and is engraved gērald genta. The movement is marked 25 JEWELS | TWENTY-FIVE | SWISS, 7750 | S1.

The layout is the standard 7750 Valjoux layout with running small seconds at 9:00, chronograph seconds by central watch hand, 30 minutes at 12:00 and 12 hours at 6:00. The date opening is at 4:30, with black numbers on a white disc. The dial is marked gērald genta.

Blue dial with white indexes and silver accents. Polished silver hours and minutes hands, white small counters hands and central seconds chronograph pointer.

The movement works well and is keeping a pretty accurate time. As for any other vintage or used movement, a basic revision is recommended.

The article is sold as is – any other parts that are not mentioned in the description or shown in the photos are not included with this movement.

All the movements in our offers are original service or replacement parts meant to be used by professionals for watch servicing. The movements are handled and stored in different boxes or containers, operations that may affect their accuracy. These movements are supposed to be cleaned, oiled, timed or adjusted by a professional before fully corresponding to the manufacturer specifications.

Additional information


28800 A/h



Power Reserve

ca. 42 hours


Chronograph, Date Window


Self-Winding, Small second, Swiss Made


Dial, Hands, Movement

Condition Used
Notes Pre-owned, very good overall condition, with minor blemishes

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