This one and the Illinois pocket watch are the best of the bunch. Look on or inside the back covers to see if they are marked 14kt gold or if the Bulova has a stainless steel back it is just gold-filled (plated) so not a lot of value. The cover on the Illinois should unscrew and if its tight you can use a small peice of rubber backed carpet or a small rubber ball to give you more friction. Then you can tell me how many jewels it has or take a picture of the movement.