Oris 01 113 7800 4057-07 8 21 06 Big Crown Calibre 113Crown and calibreMeet the Big Crown Calibre 113, a watch that pairs our design icon with one of our high-performance in-house hand-wound calibres. On the spec sheet: 10 days power reserve, a non-linear power reserve indicator and a 52-week business calendar.Designs for our timesBehind that peppy, joyful dial are the stories of the Big Crown and Calibre 113. Both are timeless Oris innovations that continue to make people who love Swiss Made mechanical watches smile. Find out more about them in our online magazine.