Perpetual 100m 6a32. I had the battery replaced, and now the date is not square in the window. The window shows the bottom of todays date and the top of yesterdays.

What a great watch! It has a super-fine piezo-electronic motor to move the date wheel! Very cool. Its quite a show to go through the date/leap-year check, and then observe the watch catch back up to the correct time afterwards. Battery lasts ~five years.
I downloaded the manual (your model number on watch back) after a short search online (beware of trojans/viruses).
Setting after a battery replacement requires shorting certain pins inside the watch to set the leap-year, and date. The back unscrews, and may require the special watch-wrench, available online. I unscrewed mine VERY CAREFULLY with fine pliers, confirming that I was doing this in a clean, dust-free location. The instructions are quite specific, must be followed carefully to set up correctly. Have a fine wire jumper to set the leap-year. I learned this because I did not want to pay an inexperienced jeweler $100 to replace the battery.

They don't have battery's ,it is a analogue watch, winding .

the perpetual calendar is not changeable date. you have to bring it to Timex watch expert because they know how to set it.

This Watch has no Batteries Its a manual Automatic 15 jewel watch.
It has a perpetual calendar that is set manually by turning the bottom right stemIt has day which is set from center winding stemIt has date which is set by pressing the top right press pin
The easiest way to set the calender is to match the small red numbers(year 2000 and up)to the month at the bottom using the lower right stem.The top calender should show the right day against one of three dates
Value for a good one Up to 200 dollars in original box

You can get instructions from the Timex web site "timex.com".

At the bottom of the screen click on "manuals/downloads", then on "product
manual download"

Enter your watch type in the search box and click on "search"

Check that the month is correct. April and July have a Sunday 11th.

mcdevito75 here, The stem should have 2 positions to set the DATE without haveing to cycle the watch 60 times. Slip a finger nail just under the crown and gently, gently lift the crown to it's first position, it may take practice so be patient, once in it"s first position you can easily change the DATE, change it to 1 DATE before the DATE you want. NOW! push the stem back in and then pull it out to set the proper DATE and time of day, your watch is set and will change on time, around Mid Nite.

Follow this link and click on OPERATIONAL GUIDE.

http://www.seikousa.com/#FAQ

Rate, please.

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Your Seiko has two pulls,first pull for DAY / DATE,and the second pull for the hour and minute.Just do the first pull then wind it clockwise for DAY and the counter clockwise for DATE.Feel free to ask whatever the result...

Hope this may help;

Regards,
VOTIT