Lot Essay
Reference 3940 was launched in 1985 and remained in production until 2006. The present watch is from the first series, featuring sunken subsidiary dials for the 24 hours display and leap year indicator, as opposed to the even version of later models.
The model is illustrated in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, second edition, pp. 292-293.
The model is illustrated in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, second edition, pp. 292-293.