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Girard-Perregaux 1966 Perpetual Calendar

Limited Edition of 99 Pieces Each 

 

Girard-Perregaux has unveiled a Perpetual Calendar as part of its Girard-Perregaux 1966 collection, the clean, understated style of this watchmaking classic paying fitting tribute to the Brand’s long-standing tradition.

Named in honour of the Neuchâtel Observatory’s Centenary Prize, awarded to the Manufacture in 1966 for its achievements in the field of chronometry, the Girard-Perregaux 1966 collection embodies the Brand’s expertise both in terms of technical performance and style.

A highly complex mechanism, the Perpetual Calendar indicates the date, day and month, taking into account the different lengths of the months in the Gregorian calendar, including leap years. Its “mechanical memory” therefore counts 1461 days, or four years. A superb example of technical watchmaking, the self-winding calibre GP033Q0 comprises 288 separate components. In a further touch of sophistication, the calibre features the Manufacture’s exclusive Microvar variable inertia balance, which can be seen through the watch’s transparent case-back.

This exceptional calibre is housed in an elegant 40-millimetre case. With its beautiful symmetry and perfect attention to detail, the Girard-Perregaux 1966 Perpetual Calendar exceeds the most demanding expectations in terms of watch design. On its gently domed dial, baton indexes and fine hands mark the hours, minutes and the different calendar indications.

To emphasise the model’s personality and improve its readability, the date, day and month are indicated by small blued steel hands, with the moon phases displayed in a window at 6 o’clock.

Technical Specifications

Case in 18kt rose or white gold, measuring 40mm x 10.7mm. It has an AR-coated sapphire crystal, a sapphire display back, and is water resistant to 30 meters. 

Movement is the Swiss automatic in-house GP caliber GP033Q0 with 26 jewels, 28,800 vph and a power reserve of 46 hours. Functions are: hours, minutes, perpetual calendar and moon phases indicator. It features a Microvar balance with variable inertia.

Girard-Perregaux Microvar Variable Inertia Balance 

The result of Girard-Perregaux’s chronometric research, the Microvar balance features six adjustable screws and two balance weights on its rim, used respectively to set the balance’s equilibrium and enable fine adjustment of the movement. This exclusive development ensures increased precision and more stable adjustment.

Microvar balance – Glucydur balance wheel:
6 external gold screws for setting the balance’s equilibrium and general setting of the rate
2 Glucydur balance weights for fine rate adjustments (+/- 40 seconds per day)
1 eccentric for fine adjustment of the guide mark

The strap is alligator, with an ardillon buckle done in 18kt gold matching the case color.

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Written by kevin

September 2, 2010 at 10:45 am

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