The two buttons are the start and stop buttons for the chronograph function (that's a posh name for a stop watch).
If you want to see a full set of instructions, go to
http://www.bulova.com/dynamic_repository/instructions/561.pdf m and you will see how your watch operates.
If you have any problems with the linjk, go to "Boluva.com" , select your region, and then click on the Boluva picture. When all the models appear, there is a small box in the top right of the table, put your model number in there and you will get a full description of your watch and there is a user instructions tab, click on this.
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