Official Documents
Make the most out of your IWC watch to make it last longer. Here’s all the useful information for its maintenance.
IWIW504501-Portugieser Perpetual Calendar Tourbillon Edition “150 Years”
IW504501 Specifications
case
case
Movement
Movement
- 51950 Calibre
- IWC-manufactured movement
- Automatic, self-winding
- 168 hours Power Reserve
- Frequency 19800.0 vph (2.75 hz)
- 456 Components
- 54 Jewels
- Côtes de Genève, perlage
Features
Features
- Flying minute tourbillon
- Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase
- 7 days power reserve
- Power reserve display
- Sapphire glass, arched-edge, antireflective coating on both sides
- Pellaton automatic winding
- Rotor in 18-carat 5N gold
- Limited to 50 pieces
IWIW377700,IWIW377701,IWIW377702,IWIW377703,IWIW377704,IWIW377705,IWIW377706,IWIW377707,IWIW377708,IWIW377709,IWIW377710,IWIW377711,IWIW377712,IWIW377713,IWIW377714,IWIW377715,IWIW377716,IWIW377717,IWIW377718,IWIW377719,IWIW377720,IWIW377721,IWIW377722,IWIW377723,IWIW377724,IWIW377725,IWIW377726,IWIW377727,IWIW377728,IWIW377729,IWIW377730,IWIW377731,IWIW377732,IWIW377733,IWIW377734,IWIW377735,IWIW377736,IWIW377737,IWIW377738,IWIW377739,IWIW377740,IWIW377741,IWIW377742,IWIW377743,IWIW377744,IWIW377745,IWIW377746,IWIW377747,IWIW377748,IWIW377749,IWIW377750,IWIW377751,IWIW377752,IWIW377753,IWIW377754,IWIW377755,IWIW377756,IWIW377757,IWIW377758,IWIW377759,IWIW377760,IWIW377761,IWIW377762,IWIW377763,IWIW377764,IWIW377765,IWIW377766,IWIW377767,IWIW377768,IWIW377769,IWIW377770,IWIW377771,IWIW377772,IWIW377773,IWIW377774,IWIW377775,IWIW377776,IWIW377777,IWIW377778,IWIW377779,IWIW377780,IWIW377781,IWIW377782,IWIW377783,IWIW377784,IWIW377785,IWIW377786,IWIW377787,IWIW377788,IWIW377789,IWIW377790,IWIW377791,IWIW377792,IWIW377793,IWIW377794,IWIW377795,IWIW377796,IWIW377797,IWIW377798,IWIW377799
Care for your IWC Watch
Like any precision mechanical instrument, a watch from IWC Schaffhausen needs regular care and maintenance.
Learn more about your watch and how to maintain it.
Complete Service
It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.
HOW-TO TIPS
Learn how to clean your watch, wind it and more in our six-part “How To…” video series.
FAQS
If you can’t find answers to your questions here, please feel free to contact a member of our service staff.
Calibre Family 50000
The 50000-calibre family features the efficient Pellaton pawl-winding system with a 7-day power reserve and a Breguet spring for maximum precision.
Perpetual calendar
The perpetual calendar is one of the most fascinating haute horlogerie complications: It is mechanically programmed for 577 years.
Tourbillon Mystère
Watch lovers are fascinated by the arrangement of the “flying” tourbillon, consisting of 82 parts, against a deep black background.
Moon phase display
IWC’s moon phase displays - aesthetic works of art and extremely precise - diverging from the actual phase of the moon by just 1 day in 577.5 years.
