Double Battery kit for Suunto Observer, X6HR, G6 Pro, M3, X6, S6 G3 and t6. | eBay
Amazon.com: VANTIYAUS Rubber Replacement Watch Band Strap For SUUNTO OBSERVER SR X6HRM,Luxury Rubber Strap With Metal Connectors Replacement Wristband Bracelet : Cell Phones & Accessories
Suunto X6HRM Cross-Sports Heart-Rate Monitor Watch with Elastomer Strap E-Outdoor