The IWC Portugieser Perpetual Calendar Tourbillon watch integrates two important functions: tourbillon and perpetual calendar. The dial has an excellent sense of balance - the 12 o'clock tourbillon device is composed of a total of 82 parts and weighs only 0.635 grams; the 3 o'clock calendar disc is cleverly integrated Power reserve display; the month disk at 6 o'clock is embedded with a moon phase display, which has excellent accuracy and only needs to be adjusted for one day's error after 577.5 years; the day of the week display disk is at 9 o'clock.
Equipped with the 51950 self-winding movement, flip to the back of the watch to see the gold oscillating weight, which swings at a frequency of 19,800 vph and can provide a power storage of up to 7 days. It is also available in platinum and Armor Gold® hard gold versions, each limited to 50 pieces.
