Patek Philippe Jahreskalender Mondphase 38.5mm /Root/Start/IWC/Portugieser The crystalline structure in the

The crystalline structure in the material — known as Widmanstätten figures — formed over millions of years in space and differs from one piece to the next

It accounts for months of varying lengths and leap years automatically and does not need to be manually corrected until the year 2100

the in-house manufacture calibre Breitling 01 beats at 28

The Omega Speedmaster Moonwatch Moonphase Chronograph in Rose Gold combines luxurious materials with complex functionality

Patek Philippe Jahreskalender Mondphase 38.5mm /Root/Start/IWC/Portugieser The crystalline structure in thePatek Philippe Annual Calendar Moonphase 38. 5mm (Reference 5396R 015) Reference 5396R 015 presents the Patek Annual Calendar with a blue dial in a Rose Gold case. The day of the week and month appear in two adjacent windows, with the date in a third. The mechanism automatically distinguishes between months of 30 and 31 days; a correction is needed only once a year. The case measures 38. 50 mm, and water resistance is 30 meters. The automatic calibre