Not sure on how to change the date and set all the functions. Tried to get scratches on crystal to show up. It does not have a lot.Gold caps are missing on one of the links. Believe full bracelet fits my 7.5 wrist with room to add. The item "1987 Seiko 7A38-6080 quartz chronograph, SQ100 Royal Oak Style" is in sale since Monday, December 9, 2019. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Wristwatches". The seller is "claibornewatch_7" and is located in Charlotte, North Carolina. This item can be shipped to United States.