Henry Birks & Sons, 14 K Yellow Gold Open Face Watch. Having a Henry Birks & Sons 1905's gem guidebook activity, stem wind & collection, 14 K yellow gold A.W.C. Serial number # 111985, white dial, Arabic character pens, subsidiary secs dial as well as black hands. Note: Movement in excellent functioning condition, slight harm to the face dial, determining 51 mm in size.