The Royal Orients were introduced in 1958. The Orient Watch Company produced their first watches with a calendar complication in 1961. This is the Royal Calendar Orient.
Specifications:
Case diameter with crown is 37mm
Lug to lug is 44mm
Lugwidth is 18mm
Case thickness is 9mm
Lug to lug is 44mm
Lugwidth is 18mm
Case thickness is 9mm
Calibre 'N' with 21 jewels
Handwind
