This product is a set of Seiko 18mm universal spare stainless links designed for OEM watch deployant bracelets. Specifically, the center link dimensions are 9mm x 9mm, and the link length is 18mm. These links are suitable for both gents and ladies, and the deployment closure is designed for quartz hand winding automatic chronographs. Made of stainless steel, these links are suitable for casual, work, sports, and dress styles, and they come in a folded style. Ideal for those looking to customize or repair their Seiko watch with deployant bracelets. $15 for each piece