Newly changed battery and the time keeps falling behind.

here are instructions for your watch sroll down to page 3
http://www.dieseltimeframes.co.uk/wcsstore/CommonDiesel/instructions/ENGLISH/Diesel_Digital-Guide_ENG.pdf

please ckeck the crown of your analog time if it is pressed down, if it is pressed it is possible that even if it is a brand new watch, the battery has no power at all.. it is maybe that your newly purchased watch is been in its selling showcase fo a long time, so that the watch movement consume all the power of the analog's battery.. you have to replace the battery of your analog., Note: your watch has three batteries. I hope this will help..

ca nt get the back off dolce gabbna colorada watch

your watch has two batteries you have to change the small one that power up the hands. the size of that battery is sr621. i hope i had been helped you.

Automatic watches are spring driven and have no battery.

Swinging gently from side to side will wind it up but you need to do this for some time (some makers say 200-300 times).

If you do this and it still does not work, then cleaning might solve your problem. (It did with one I had some years ago).

good for you,

mcdevito75 here, Look for a small watch repir shop in your area, Let the shop[ change the battery, you may need special tools.

I have not been able to locate this watch on the web but is seem unlikely that there is enough room in a watch for a second battery.

Ahh, you have one of those watches that have a long battery life. This watch has a lithium iodine battery, which power pace makers. Here's the name of it:
Wittnauer Longlife 6600 mens watch stainless steel watch.