GL-831 FKM gummirem

GL-831 FKM is a rubber gasket with FKM material, inspired by the classic Seiko GL-831 design, available in six colors.

• The description claims that the gasket is scratch-resistant and comfortable.
• The description mentions that the 'Fat Boy' barrettes are 2.5 mm thick with 1.1 mm grooves and can fit many Seiko dive watches and some sports watches from other brands.
• The description states that alternative 'Fat Boy' barrettes with 2.5 mm thickness but 0.8 mm grooves are available upon request.
• The description notes that customers can order extra barrettes from the website.