Thank you for viewing. Seiko SEIKO Watch Diver 8F35-00A0 Junk The watch is currently not running due to a dead battery. It was recommended that the battery be replaced by SEIKO, as the water resistance may be compromised. This item is being sold as junk and has not been overhauled. The inner circumference is approximately 17 cm. Please note that this is a rough measurement and may have some error. The calendar cannot be changed at this time. This is a junk item, so returns and exchanges are not accepted. Please understand this before purchasing. The crystal appears to have almost no scratches, but this is based on a visual inspection, so individual perceptions may vary. I received this item from someone else, so the purchase date and location are unknown. There are no accessories. I have researched this item before listing it, but there may be occasional errors in the title (such as the model number). Please examine the images carefully and make your own judgment. Seiko Watch Men's Brand: SEIKO