Portuguese Perpetual Calendar:
Originated from the Portuguese series of IWC in 1938, it is the manufacturer’s famous large-sized timepiece. Its 50611 movement is a member of IWC’s 5,000 movement family, and the operation of the perpetual calendar watch is the same as that of the Da Vinci watch.
This perpetual calendar watch is a delicate handicraft, featuring the hands to indicate the day, date and month, and a 4-digit year display window, which can only be achieved by IWC. Another outstanding feature is its moon phase profit and loss display, which has always been an integral part of the IWC Perpetual Calendar watch. But the Portuguese Perpetual Calendar watch is different in that it shows the moon phase profit and loss at the same time in the northern and southern hemispheres. Not only that, it uses a larger moon phase disk, so it can accommodate a larger number of gears than other watches, and it is accurate Degree has also been greatly improved. The Portuguese Perpetual Calendar watch has an error of only one day every 577 years, and so far no other mechanical watch can match it.
The latest perpetual calendar style is a collection of years of experience and concept of watchmaking. In terms of functions, the watch also has two well-known designs from previous manufacturers: a 4-digit year display calendar and a 7-day power reserve. It is the only watch style on the market that adopts this kind of matching. Its power reserve function is designed to be different from other brands. The watch can store up to 8 and a half days of power after a full string. Limited production of 250 per year.
Various K gold stamps on the case specified by the Swiss watch (St. Bernard’s dog head represents 18K gold, and the goat’s head is platinum)
Crown fish, waterproof (30m)
The case back is sapphire crystal,
There are 66 rubies
The folding buckle is also made of 18K rose gold
Original log box
Inside the box, please note the small glass bottle next to it
The bottle is used to hold the first two digital dials of the “ year display ”.
The watch’s original programming can automatically adjust the walking to 2199.
Starting from 22XX, the watch needs to be returned to the original factory to change the year dial (note the second one, the first two digits of the year number are fixed together)
Wearing on the hand
Finally, the size comparison of the two watches, IWC is 42mm, Rolex table diameter 40mm
Rose gold case
C a l.50611 automatic movement
Double-layer hairspring, patented Pe lla-tion winding system
168-hour power reserve
Energy reserve display
Perpetual calendar display, week, date, month, year
North and South hemisphere moon phases
Independent second hand with stop-seconds function
Sapphire crystal glass
Case diameter 44.2mm