Wont to no what size batteres my big tic jr.7845 use. Lost the ones came out if it.

Fossil Watch Battery Replacement - Ultimate Size Guide -

batterymole.com https://batterymole.com > fossil-watch-battery-replace...
Aug 21, 2022 - The CR2430 battery is a 3v lithium battery, see the shape below. This example is made by Renata, but you can also get the produced by Duracell, ...

these people can help you..
this is the store locator link...
https://www.batteriesplus.com/store-locator?search=60210&lat=&lng=

392, also known as SR41W
Possibly two, as display is usually powered separately from time movement.

Inside the case back on my JR-7855 is a label with the steps to take to change the batteries. The sticker says to short the pad marked "S1" with the pad marked "+". Keep doing it quickly, then check the watch face. You got it right when the seconds start to change on the face.



Here is a view at the inside of the watch. The two points you are looking for are highlighted in red.


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go>> http://www.fixya.com/support/t9090037-fossil_modelhttp://www.fixya.com/support/t9090037-fossil_model

Use tweesters to touch both "+" and "s2" point can change that.

there are two batteries inside your watch one is for analog sr621 size of battery and the other one is for the digital cr2016 size of battery, i hope this will help you.

Since Fossil do not list their instructions under model numbers it is difficult to be sure that you rmodel still exists but if you go to their web site for instructions http://www.fossil.co.uk/webapp/wcs/stores/servlet/ContentView?langId=10&storeId=32553&catalogId=20002&page=instructions

(click on this link to go there) and you will see some instructions for various big tic watches and you can select the one that suits yours.

The only one that I could find that had a single button above the winder used it to cahnge the colour. Pressing this button for 2 seconds will change the colour to "alternating" and the same again will produce a fixed colour. Perhaps this will make the change of display you need.

Often with watches, you need to use a pair of tweezers to short the battery case to the chassis ((often marked "ac"). This seems to be a re-set function, although I have never found an explanation for the need to do this.

If all else fails, look up their contact details and speak to them about your problem.

i think it pretty much pulls right out, the kid at walmart did it rather quickly.