IWC caliber 52850
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52850 description
Located at “12 o’clock” on the dial, IWC’s annual calendar shows the month, date and day in three separate windows. The mechanism automatically takes into account the differing lengths of individual months. Unlike a perpetual calendar, however, the annual calendar is unable to make allowance for the leap days in February or the leap years. Once a year, then, at the end of February, it requires manual correction. In the case of IWC’s annual calendar, the correction is made simply, via the crown.
All watches using the IWC 52850 movement:
IW5035-01
IWC Portugieser Annual Calendar Stainless Steel / Silver
IW5035-02
IWC Portugieser Annual Calendar Stainless Steel / Blue
IW5035-04
IWC Portugieser Annual Calendar Red Gold / Silver
IW5027-01
IWC Big Pilot’s Watch Annual Calendar Edition Le Petit Prince
IW5035-06
IWC Portugieser Annual Calendar Tribeca Film Festival 2016
IW5027-02
IWC Big Pilot’s Watch Annual Calendar Spitfire
IW5035-07
IWC Portugieser Annual Calendar Stainless Steel / Pisa
IW5035-05
IWC Portugieser Annual Calendar BFI London Film Festival
IW5027-04
IWC Big Pilot’s Watch Annual Calendar Edition Le Petit Prince Piece Unique
IW5027-03
IWC Big Pilot’s Watch Annual Calendar Edition Le Petit Prince White Gold
IW5027-06
IWC Big Pilot’s Watch Annual Calendar Edition “Antoine de Saint Exupéry”
IW5027-05
IWC Big Pilot’s Watch Annual Calendar Edition Le Petit Prince White Gold
IW5027-08
IWC Big Pilot’s Watch Annual Calendar "150 Years" Stainless Steel / Blue
IW5035-10
IWC Portugieser Annual Calendar Stainless Steel / Green / Middle East
IW5027-09
IWC Big Pilot’s Watch Annual Calendar Edition “Antoine de Saint Exupéry” White Gold
IW5027-10
IWC Big Pilot’s Watch Annual Calendar Edition Le Petit Prince Stainless Steel