Introduced in 1986 to replace the mythical ref 2499, the 3970 has been in production until 2004, in 19 years only about 2000 pieces have been made in all the metals.
Coming with the extract from the archives, confirming the production in 1997, and its subsequent sale in 1998. The watch has an extremely appealing and rare White-Opaline Dial with White Gold ‘Obus’ indexes .