This is an Oris full calendar and moon phase automatic watch, a representative work of Oris's complex functions from the 1990s. Oris Ref. 7433B | Full Calendar Moonphase Before Oris returned to in-house movements, the 1990s were its golden age of making complex functions suitable for everyday wear. Ref. 7433B is one of the most representative works of that period. Full calendar and moon phase in one piece, with a classic formal feel, making it both practical and collectible. 【Brand】ORIS 【Movement】Original automatic movement 【Model】7433B 【Crown】Replacement crown (non-original) 【Case Diameter】35mm (excluding crown) 【Dial】Original dial 【Functions】Moon phase/Analog date/Day of the week/24-hour display 【Strap】Includes new leather strap (non-original), original ORIS gold-plated buckle 【Condition】As pictured, keeps time and functions normally 【Remarks】Transparent case back. Automatic + manual winding.