The outer diameter is: 38 mm
Part Reference Strap R02X011J0
accurate timekeeping
This is the original black leather watchband for the Seiko Sportura
Reference table: (check the related products for the other parts)
Watchband SEIKO 8A21 0010 / 8A20 001A / S031 4010 / S321 W610 5050 / S026 6000 Make a choice:Watch Strap The outer diameter is: 38This is the original replacement strap for the Seiko Stopwatch S321 This genuine Seiko band is suitable for among others the following case numbers: 8A20 0010, 8A21 0010, 8A20 001A, S141 0AA0, S321 4000, S038 4000, S033 400A, S039 400A, S032 4010, S321 4010, S031 4010, S321 401A, S321 401B, S351 4A00, S143 4A00, W610 5050, S024 6000, S025 6000, S026 6000 Related models: SAR003, SAR005, SAS001, SAR001, S23593J1, SAM001, S23921, S23293, S23295, SAM003,