This jacket qualifies as a blazer with its gold buttons featuring an anchor design/nautical motif.
Shoulder Seam to Shoulder Seam: 15.5 In
Armpit to Armpit: 19 In
Length Collar to Hem: 26.5 In
Sleeve: 22.5 In
All measurements taken from behind.
http://www.keikari.com/english/how-to-measure-for-ebay/