How to shorten watchband on Gucci 109 ladies watch

The arrows show which way the connecting pin comes out. You need a pin press. Take it to a local jeweller.

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Flip the watch band over and check the underside. Links that can be removed will have an arrow etched on them. The arrow's direction indicates which way to push the pin to slide it out of the link.

Watch Bracelet Link Removal Tool - Stauer

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Guess you might get it online at Amazon? Se some models


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Ladies Genuine Italian Leather Watchband Black 12mm Watch Band


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Most probably in any department store.
You should measure size at pin

Best Sellers in Women Watch Bands

WOMEN WATCH BANDS

Ladies Genuine Italian Leather Watchband Black 12mm Watch Band by JP...

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Your picture clearly shows the small arrows (on the inside of the band) the way the watch band pins need to be removed. You'll need a very small needle and a small hammer to drive the pins out in the direction of the arrows. Remove links evenly on both sides so the clasp is centered.

Once you fell you have removed enough links to fit your wrist, drive the pins back in reverse direction from the arrows, and set them smooth to the touch. If you can push the pins in to the hole just beneath flush, with your needle and hammer, it'll keep the pin from snagging your sweaters.

If all else fails most jewelry stores charge less than $10 to remove links. Have fun. It's not hard.

I found this answer: http://www.howtocleanstuff.net/how-to-remove-dye-transfer-from-a-rubber-watchband/
and according to several of the comments, this technique also works with Gucci products. Other than that, I would suggest taking it to a verified retailer.

You can usually have your local watch shop to shorten watchbands but if they cannot do it then you could contact Michele watches.

You could then discuss any problem you have with them.
Insert "www.michele.com/" into your search engine, at the bottom of the page on the left is a "contact us" link. Click on this for info.

It all depends on the style of the band.
Go to where the links are all the same size, not tapered at all.
If you have a stretch band, along the edge, unbend the flaps that hold what look liks tiny staples. Pull out what you need removed and put the remailing pieces together.
If you have a non-stretch band, grab a SMALL paperclip about 1/8" from the end. Along the edge of the band you will see the pins that hold it together. Have someone hold the band with the bottom edge of the pin you are removing, over an opening. Between 2 hardback books wirks great. Tap the pliers to drive the pin partially out. Pull it out and do the same to remove as many links as needed. Put the pins back in, in the same direction they came out, from the same side they came out.

Take the watch with the broken watchband and place it on the table. With a ruler, measure the width of the broken band at the point where it is attached to the watch. Now, measure the total length of the watchband when it is in one piece and fits around your wrist. There will be a crease on the band where it is normally buckled.

Step 2 Go to the local store and select a band that you like. You should make sure that the width of the band at the point of attachment to the watch is the same as the old band. Also make sure that the new band will be long enough and not too long to fit your wrist. Purchase the band and return home to change the band.

Step 3 Clear a spot to work and make sure that there is a small towel covering the table top so that you can see anything that may drop or pop out during the process of changing the band.

Step 4 Use a magnifying glass to look at the point where one side of the band is attached to the watch. You will see a small pin connecting the band to the watch on either side of the band. Carefully use the jeweler's screwdriver to depress the spring loaded pin from the watch to the band and release it from the watch. When the tension on the spring pin is released it may pop out of the band and you will want to take care not to lose it. Repeat this process with the other half of the band.

Step 5 Take the new band and slip the spring pins into the small holes on the end of the band where it will attach to the watch. Working with one end at a time, slip one side into the pin hole in the watch body.

Step 6 Use the jeweler's screwdriver to depress the other side of the spring pin and guide it into the pin hole in the other side of the watch body. Repeat this process with the other half of the watchband and other spring pin. You now have a new band for your broken one.

Check the sides of watch band and you will see the pin ends. They are holding all links together. If there are arrows inside the watch band, they are pointing the way the pins must come out.
To shorten the band you have to:
Extract the pins.
Take link(s) off.
Join the rest of band together and drive pins back.

I have a similar watch and removing the links are not easy. There are pins in certain links that have arrows on the inside of the band. I used a push pin to remove the pins in the direction of the arrows. Snip the end of the push pin with a wire cutter or pliers so that it fits into the hole and tap the top of the push pin with a small hammer until the other end of the pin is exposed enough to extract it with a set of needle nosed pliers. Repeat for other side of link. When the pin is extracted, twist the link inward and it should snap out.
Remove the link and reverse the procedure, placing the pin in the opposite direction as it was extracted. You may have to tap it gently with the push pin and hammer to get it to go into the holes flush.
It takes a little while and some patience, but if you can get someone to hold the band for you while you tap the pin, it will be easier. Also, if you remove the spring loaded pin from the band fastener so the band can be laid out straight, it will also be easier. Good luck!