TechnoMarine 9804 Raft 20-mm Deep Blue Gel Strap with buckle and Chrono Cover Compatible with TechnoMarine Raft Models with a 40mm dial Deep blue polyurethane gel watch band Comes with deep blue polyurethane gel chrono cover for raft 40-mm case Stainless steel single-buckle Band: 20mm wide; case: 40mm wide