The highlight of the new Girard-Perregaux watch is an easy-to-use annual calendar. This complication indicates the date and month, taking into consideration different lengths of the months. The user will have to adjust this function only once per year, on 28th of February, implying for non-leap years.
The correction of the calendar is easily performed by turning the crown in either direction.
Another hallmark of the watch is represented by a rare astronomical complication, the equation of time. It utilizes the hand at 4:30 to display the difference between the real solar time and the mean time, or meridian time.
This complex heart of the Girard-Perregaux complicated watch marries marvelously with the purity of the dial. It presents the functions in an eminently readable way. Pointing to the hours and minutes are fine, leaf-shaped hands. The display also includes baton indexes. The blued steel hands, created in various shapes, serve to display the date, equation of time and small seconds. The months are shown in a circular exhibition window positioned at 7 o’clock.
The brand’s major specialists have also fitted the 1966 Annual Calendar and Equation of Time watch with a sapphire back. It reveals the mechanical beauty of the watch’s heart. Embellished with 44 jewels, the brand’s proprietary GP033M0 self-winding movement features the Microvar balance wheel, which is also an exclusive creation of the house. It is moving back and forth at the rate of 28,800 vibrations per hour. Composed of 287 individual parts, the movement offers a 46-hour power reserve.
The entire mechanism is housed in a white gold case. Dimensionally, the case is 10.72 mm high and has a diameter of 40 mm. The watch is capable of withstanding water pressures down to 30 meters.
The Girard-Perregaux 1966 Annual Calendar and Equation of Time watch is affixed to an alligator leather strap, fitted with an ardillon buckle.
Look through a fine selection of Girard-Perregaux watches: