积家，18K红金三问可翻转腕表，REVERSO RÉPÉTITION MINUTES，型号270.2.73，约1998年制，限量生产500枚，附原厂证书、盒子及外包装

To commemorate 60 years of the iconic Reverso model the firm introduced in 1991 a limited series in pink gold cases. It was the beginning of a series of complicated wristwatches of the celebrated model, followed in 1993 by a tourbillon, in 1994 by a minute repeater, a retrograde chronograph in 1996, dual time zone in 1998 and a perpetual calendar in 2000.