Casio Duro - brown leather strap. All together, only $60! This is a great quality watch and it looks elegant and ready for any occasion. : r/Affordablewatches
Casio Duro MDV106 Review (After 8 Years of Hard Use) - YouTube
US$100 Combo Challenge with Casio Duro MDV106 aka 'The Marlin" | WatchinTyme
Casio] Duro on a leather strap : r/Watches
20mm 22mm Crazy Horse Leather Frosted Watch Band For Casio Swordfish MDV-106/107 EFR-303L/304 MDV106 Strap Bracelet Brown Khaki - AliExpress