20 Most Recent Vestal Mini G7 Free Us Shipping Wrist Watch Questions & Answers

I could not find your model on their web site, so if you go to http://www.vestalwatch.com/#/Store/Watches? and look through their list, you may be able to find it.

Click on the picture and on the next page they have a link to "instruction manual" which should give you all the information you need.

2 x AA https://www.google.com/search?q=battery+does+Vestal+Doppler But if is is a watch https://www.fixya.com/support/r27181038-changing_watch_batteries ..

probably in the link https://www.google.com/search?q=Black+face+vestal+watch&rlz=1C1QJDB_enCA643CA644&sxsrf=AOaemvLIO46zrOs1vnyDZ6Uc6HUY0xUiLQ:1637622771932&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiK7eKcjK30AhUWX80KHcS-CS0Q_AUoAXoECAIQAw&biw=1920&bih=937&dpr=1 or this one for older watches https://www.google.com/search?q=vintage+vestal+watch&tbm=isch&ved=2ahUKEwi4yJmejK30AhXHsHIEHVdmDB0Q2-cCegQIABAA&oq=vintage+vestal+watch&gs_lcp=CgNpbWcQAzoHCCMQ7wMQJzoECAAQQzoFCAAQgAQ6BggAEAUQHjoGCAAQCBAeUN8fWOFAYJhIaABwAHgAgAFniAHdBpIBAzkuMZgBAKABAaoBC2d3cy13aXotaW1nwAEB&sclient=img&ei=9iOcYbj1N8fhytMP18yx6AE&bih=937&biw=1920&rlz=1C1QJDB_enCA643CA644 ..

http://d-msh.com/page/vestal-de-novo-manual

Google brand of watch and how to set time

https://www.vestalwatch.com/wp-content/uploads/2016/06/The-Guide-instruction-manual.pdf The guide indicates how to set the time.