SEIKO Genuine Prospex 19mm Silicone Band Black R02B021J9 for SBEX007 SBDX031
SBEX007 / 8L55-00D0. SBDX031 / 8L35-00X0. Model Number: R02B021J9. It is designed for the following Seiko models Lug Width (D): 19mm. Material: Silicone rubber. Color: Black (Keepers: Black). Note: Photos are for reference only.