Strapcode Guarantee: Upon receiving our goods, If you are having problems with the fitting with our products or other issues, please feel free to contact us. As experience, 99% cases could be fixed.1. Tips for not fit: use smaller spring bar. Plz contact our team to request for a set of different sized spring bars to rectify the matter. 2. Tips for clasp locking loosely: it's friendly design for easily open, please visit our V-Clasp version if need totally closed version. 3. Tips for avoiding scratches: put some tape or oil on lug when installing. Item no. : XSX1A-B-22A20BZZ00-S5GMTFull compatible model list: Compatible with Seiko 5 Sports (5KX): SRPD51, SRPD53, SRPD55, SRPD57, SRPD59, SRPD61, SRPD63, SRPD65, SRPD67, SRPD69, SRPD71, SRPD73, SRPD75, SRPD76, SRPD77, SRPD79, SRPD81,SRPD83, SRPD85, SRPE71, SRPE72, SRPE74, SRPE75, SRPE77, SRPE79, SRPE80, SRPE83, SRPF65, SRPF67, SRPF69, SRPF70, SRPF71, SRPF73, SRPF75, SRPF17, SRPF19, SRPF20, SRPF21, SRPF23, SRPF24, SRPF91, SRPG47, SRPG61, SRPG65, SRPH80, SBSA137, SBSA147New Seiko 5 Sports (GMT): SSK001, SSK003, SSK005 Brand Name: StrapXProLug width: 22mmBuckle size: 20mmBuckle Include: YesBuckle type / Finish: Brushed Stainless Steel diver claspOverall Length (not including buckle): 93mm+93mm (4.7 inches to 8.6 inches / 120 mm to 220 mm)Thickness: Approx. 4.8mm - 3.8mmSpring bar hole dia.: 2.0mm (included)Material: High-quality vulcanized rubberColor / Finish: BlueLug end style: Curved End