Girard-Perregaux 1966 Equation of Time 49538-52-131-BK6A features a 40mm rose gold case, smooth bezel, and scratch-resistant sapphire crystal. The dial is silver with applied hour indices, date at 2:30, equation of time subregister at 4:30, month at 7, small seconds at 9 and polished gold center hands. Powering this Equation of Time, and visible through the sapphire case back, is a self-winding Girard-Perregaux GP03300-0010 caliber that boasts a 46-hour power reserve and annual calendar. Watch is presented on a black alligator strap with rose gold tang.

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