BulovaLadies' Classic Diamond 3-Hand Quartz Stainless Steel Watch, 12 Diamonds, Mother-of-Pearl Dial

Getting mixed info here - is it an automatic or does it run on a battery? Don't answer if you do not know the difference.

How to get a spare watch strap? The one I got is now weathered and in dire need of a replacement strap!

Where can I buy the band for this watch? I have had it for b3 years and absolutely love it. I just need a replacement band.

Are the diamonds real?