With Patek Philippe Certificates of Origin both in English/French as well as in Japanese, registered guarantee card, service bill, Extract from the Archives confirmed dates of manufacture and sale. Furthermore delivered with a blue velvet covered Patek Philippe 150 Years - Tradition is our Future box containing seven vinyl records of concerts organised by Patek Philippe in the 1980s, brochure "Gala Evenings" and "Le Temps et la Musique".
Reference 3923 in stainless steel was made in a limited series of 150 examples to commemorate the 150th Anniversary of Patek Philippe and exclusively for the Japanese market. The Patek Philippe 150 Years box was also made in limited sets for the firm's 150th Anniversary in 1989 and given as a present to Patek Philippe's very important clients. The box pays tribute to Patek Philippe's gala evenings "Le Temps et la Musique" comprising concert and recital tours.
Reference 3923 was launched in 1986 and discontinued in 1999. Standard production was available in yellow and pink gold case. The stainless steel version was made upon special request for Patek Philippe's retailer Isshin Tokei Co. Ltd. in Tokyo.