This, new 40 mm steel watch features a revisited vintage design strongly inspired by the aesthetic codes of the Girard Perregaux’s Gyromatic watches dating from the 1960s.
One of the major challenges associated with automatic winding is how to turn the circular to-and-fro movement of the movement’s oscillating mass, or rotor, into the one-way circular motion that can actually wind the mainspring. For this purpose, horological engineers usually resort to a device called a motion reverser, featuring ratcheted wheels. However, the stronger the pawls and teeth, the larger they are, leading to an increase in idle travel. The remedy lies in using smaller, hence more fragile components. The only solution here is a never quite satisfactory compromise.
The «Gyromatic» system substitutes roller-equipped unidirectional clutches for the ratchet wheels. The resulting construction is simple, reliable and efficient. What’s more, its compactness opens the way for slim, sleek and stylish designs. The « Gyromatic » has since demonstrated its excellence in thousands of Girard-Perregaux timepieces including the top-of-the-line « Gyromatic HF (for high frequency).This development marked its ultimate major contribution to mechanical watch design. Along with others, it is attested by the patents granted to the company over the years.
In 1966, the Neuchâtel Observatory’s prestigious Centenary Prize acknowledged Girard-Perregaux’s superior ability. The next year, no less than 73% of all rating certificates were attributed to Girard-Perregaux high frequency watches, a tribute to the extreme degree of precision which Girard-Perregaux had brought to mechanical time technology.
Model: GIRARD-PERREGAUX 1957
Diameter: 40.00 mm
High: 9.45 mm
Dial: Retro-effect champagne toned dial
Hands: Hour and Minute hands with luminescent material
Case-back: sapphire crystal
Water resistance: 3 ATM (30 metres)
GP03300-0130 Automatic Movement
Diameter: 25.60 mm (11”’)
Thickness: 3.20 mm
Vibration: 28,800 Vib/h (4 Hz)
Power reserve: min. 46 hours
Hour, minute, second, date
Black alligator strap with stitches
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