Description:   c1906-7 American Waltham "Riverside" 16 size 19 jewel Hunter.  Watch is stem wind and set. Case is a C.W.C Co. 'Crescent' model Yellow Gold Filled 25 year, triple hinged hunter case.  The case is in good shape with one edge ding, and the case edge has some brassing, bow and crown also show some wear .  Case back and front are engraved with a nice bird and folliage.  It is engraved front and back with a flying bird, front side has an open initial shield.  Porcelain dial signed "WALTHAM" has one slight hairline on the outer chapter at the 6:02 position (very hard to see, only 1/8" long and very light) but no chips or other defects.  Nickel damaskeened movement is marked "19 Jewels" and "Adjusted" and signed "Riverside".  Movement is in good condition with some minor spotting on the winding wheels (see detailed  and enlarged pictures).  Serial number is 15,012,096. Watch is running strong, keeping good time and has been serviced.  A One Star Watch, less than 2500 are known to exist.