Seiko Antique Watch Color: Gold The back cover is marked "14K GOLD FILLED". The strap is an elastic type. It is a manual winding watch. It is a small size, a beautiful wristwatch with a luxurious feel. Please consider it as a junk item as it is not working. Please check the condition of the watch in the images. The condition is subjective. We will add images etc. for any concerns, so please feel free to contact us in the comments before purchasing! The color may differ slightly from the actual product depending on the lighting during photography and the device you are using. We do not accept any claims or returns to prevent replacement. (NCNR after purchase) Please purchase after understanding the above. Please refrain from purchasing if you do not understand used items or if you are sensitive to details.