Lot Essay
                                Patek Philippe produced this model to celebrate the company's 150th Anniversary in April 1989 in a limited edition of 2000 pieces in yellow gold, 150 pieces in white gold and 50 pieces in platinum.
A similar watch is illustrated in Patek Philippe Wristwatches, second edition, by Martin Huber & Alan Banbery, p. 123.
                            
                        A similar watch is illustrated in Patek Philippe Wristwatches, second edition, by Martin Huber & Alan Banbery, p. 123.
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