Replacement battery for TW Steel TW102 - Tw Steel Grandeur Diver chronograph Quartz stainless steel tw102 Wrist Watch for Men

This is a simple spring clip. At the end nearest the wrist strap there is a hook clip. Insert a small, thin pin and hook the lowest edge outwards and the strap should spring free.
Try the video link below, (at 2:45 minutes). It's a slightly different watch but the method is the same.

https://www.youtube.com/watch?v=8GI-xfBXHj4&t=261s

The V is strictly a manufacturer's addition. They are the same battery. The "V" typically denotes that the battery was made by Varta.

Yes it is. It has many other replacement numbers too.

If watch expensive, take it to Shop to get it changed , if watch waterproof, it needs to be changed at a shop, as when battery changed , shop checks that the watch is still 100% waterproof.

the watch movement deters which battery the watch needs it is very important you do not put a battery in that doesn't suit the watch as it can short out the circuit however you can get the correct size in a gold seal quality which should not leak, also the older the watch, the more demanding the watch becomes on the battery as the movement components start to experience wear and tear

Number is there on battery- use magnifier.

Have you tried turning it anti-clockwise to unscrew it before pulling?

try AG1
364

If you have a warrantee with your watch you may have to return thew watch to the manufacturerer for battery replacement. Othet than that, most any jeweler can replace the battery. Mike D 75