Patek Philippe Nautilus Annual Calendar. This marked the first time patek philippe had offered its annual calendar complication in a steel watch. Watch in good condition.
Patek philippe advanced research annual calendar ref. This much deserved reputation is thanks in no small part to its rich productive history. The steel nautilus endowed with an annual calendar and moon phase display now features a new blue dial inspired from the dial color of the original nautilus model of 1976.
Patek philippe advanced research annual calendar ref.
5450 a limited edition of 300 timepieces in platinum. The patek nautilus 5726 1a steel bracelet with a grey dial as available until 2019. Four years later the extension of the nautilus collection would continue with the unveiling of the ref. 5450 the references 5250 and 5350 were followed in 2008 with ref.