Vintage French Yema 17-jewel #311086 men's manual-winding wristwatch. It has a nice antique feel and a simple, timeless design. The calendar adjustment is linked to the time setting and changes around 12 o'clock. Face size: Width (including crown): approx. 3.8cm Width (excluding crown): approx. 3.5cm Wrist circumference: up to approx. 19.5cm Please allow for some minor errors. There are small scratches, scuffs, and dirt from use and aging. The photos focus on noticeable scratches and dirt, but there may be other imperfections not visible in the images. Please understand this beforehand. As this is a used item, please refrain from purchasing if you are looking for a perfect product. The belt is unused but is an aftermarket product, so please consider it as a service. This is a manual-winding watch. Please wind the crown to use. It is in working order, and the time is generally accurate. If you require higher precision, please consider purchasing with the assumption of an overhaul. (We confirm the operation of manual-winding watches at the time of listing and shipping. Manual-winding watches are not as precisely accurate as battery-powered watches. Please understand that there may be a time difference of a few minutes per day depending on the position, etc. We list items that we judge to be generally accurate. Also, to reconfirm the condition of manual-winding watches, it takes 2-3 days to ship. Thank you for your understanding.)