10/27/2022 0 Comments Quartz zero background plates![]() ![]() Below this metal cover you will find an plastic encasing that holds everything together. The metal plate on the G15.212 is just a thin cover with sticky adhesive. If you damage the stem release mechanism, there doesn’t seem to be a way to fix it since it’s encased in plastic. Do this carefully and do not press too hard. Putting the crown to date setting position should reveal a button in the hole that you can gently press with your tool to release the stem. To remove the crown, look for the stem release hole on the movement near the crown There is a small arrow pointing to it. We always try to refer to the positions the same as the manufacturers do. *Some manufacturer’s refer to the crown position numbers differently. Press the crown in to position 1 (against the case) when finished.Press the top pusher to adjust the 30 minute hand.Pull the crown out to position 3 (time setting).Press the top pusher to adjust the 1/10 second hand.Press the bottom pusher to adjust the central chronograph second hand. ![]() Pull the crown to position 2 (date setting).It’s easy and you don’t need to send your watch back to the company or a watchmaker. Always try a new battery before giving up.Īfter a battery change, you may need to recalibrate the chronograph hands on your watch. #Quartz zero background plates install#If you install a new battery and the watch doesn’t function properly, it’s possible that the battery is bad. ![]() To install the new battery, do the process in reverse, but make sure the battery is placed under the lip first (#3 in the image above). Try not to bend or break off the arm that holds the battery in place! Gently pry the arm back and the battery should lift up. As pictured, place your tool between the battery and the arm that holds it in place (#2 in the image below). ![]() The diagram below is from the official ETA tech sheets. Replacing the battery on your G15.212 watch is very straightforward. Check your dial before ordering a new movement. This digit is not included in the caliber number engraved on the movement itself. #Quartz zero background plates code#This code is mostly used when ordering a replacement movement to make sure the correct datewheel is used to match the calendar aperture on the front of the watch. The position can be tilted or horizontal. The trailing digit refers to the location of the date window. You may see this movement written at G15.212-6 or G15.212-D6. The G15.211 is not marketed by ETA to have either of these. The main different seems to be that the G15.212 can be equipped with PowerDrive (G15.212AB) or PreciDrive (G15.212AA) technologies (see above). Both movements share the same dimensions, same jewel count, same features, including the placement of the chronograph and calendar functions. While not entirely confirmed as of this post, it appears that the ETA caliber G15.212 replaced the older caliber number G15.211. The V8 stamp indicates that the origin of this movement is Switzerland, however, it is only marked “Swiss”, so it is unclear as to whether that means Swiss made or assembled in Switzerland from foreign parts. The main difference between these two calibers is that the AA version has ETA’s PowerDrive technology (PWD) and the AB version is equipped with ETA PreciDrive (PWD). In the tech documents, each variation is also references as G15.212 PRD and G15.212 PWD. ETA lists these as G15.212 AA and G15.212 AB. There are two variations of the ETA caliber G15.212. Some of the topics covered in the caliber listing: ![]()
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