What is birthday mode on a watch?

[rayray2]

I bought a new watch and it has a birthday mode where you can put in a date. What does that do? I tried googling it but couldn't find any info. Anyone know?

 

[BrokenVisage]

Enter your DOB and find out?

 

[Leros]

Maybe its like a countdown mode.

 

[DivideBYZero]

Put in tomorrows date and post when you know.

 

[Aluvus]

If it's one of these then it is used to determine your age, which in turn is used for its magical calculations about monitoring your health.

 

[alkemyst]

birthday mode laughs at you when you spend another birthday alone.