CRAFTER BLUE CB03 20mm curved end watch strap replacement watch band for Seiko MM300 20mm rubber watch strap compatible with Seiko MarineMaster SBDX001, SBDX003, SBDX005, SBDX017, SBDX021 (SLA019J1) and SBDX023 (SLA021J1), SBDX025, SLA023J1 Lug width: 20mm; Buckle size: 18mm; Note: Buckle is NOT included, please use your original buckle. The NBR CRAFTER BLUE rubber strap is made of pure vulcanized rubber which has superior strength and more resistant than natural rubber to oils and acids Overall Length: 90mm + 55mm (Strap length:145mm / 5.71"); Thickness: Approx. 4.5mm - 3.5mm; Spring bar hole dia.: 2.50mm CRAFTER BLUE CB03 curved end rubber band replacement for Seiko MM300. The rubber band is made of pure vulcanized rubber which has superior strength and more resistant than natural rubber to oils and acids. Material has also met the RoHS requirements and rarely causes severe allergic reaction. It also includes a pair of replacement spring bars for easy installation.

Item no. : CB03
Brand Name: CRAFTER BLUE
Lug width: 20mm
Buckle size: 18mm
Buckle Include : No
Buckle type / Finish : (Compatible with 18mm Seiko MM300 buckle)
Overall Length: 90mm + 55mm (Strap length:145mm / 5.71")
Thickness: Approx. 4.5mm - 3.5mm
Spring bar hole dia.: 2.50mm
Compatible with: MarineMaster SBDX001, SBDX003, SBDX005, SBDX017, SBDX021 (SLA019J1) and SBDX023 (SLA021J1), SBDX025, SLA023J1
Material: NBR Rubber
Color / Finish: Black, Brown, Orange
Lug end style: Curved End