de GRISOGONO automatic watch movement Instrumento N°Uno calibre DF 11-89


3 in stock

De Grisogono Instrumento N°Uno is a self-winding watch movement displaying hours, minutes, seconds, date and dual time. It is based on the ETA 2892A2.

This is the ETA 2892 A2 “soigné” version base movement, with 21 jewels and a power reserve of about 42 hours.

De Grisogono Instrumento N°Uno, Swiss Made. Automatic calibre DF 11-89.
Diameter: 26.2 mm (11 1/2”’) — 21 rubies. Rapid date correction.

Balance frequency: 28,800 vibrations per hour (4 Hz).
Power reserve: about 42 hours.

Hours — minutes — seconds. Special De Grisogono date disc.

Black PVD, blue screws, oscillating mass marked “Instrumento N°Uno“.

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 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.

Base Movement

ETA 2892 A2


28800 A/h

Jewel Count



Big Date, Date Indicator, GMT, Self-Winding, Swiss Made