from its legendary Delfin in 1961 to the Hydro-Sub and now CO-1

ensuring this easy-to-wear pair remains luxurious and sophisticated

Is this a dual time watch

Accessorize in style with this classically elegant chronograph timepiece that is both functional and smart with its elaborate swirling black guilloche dial with yellow gold indices and a black Croco-patterned leather strap

Protected by mineral scratch-resistant glass and secured with a push-button deployment clasp

Casio Watch Data Bank Multilingual Calculator Black Marathon from its legendary Delfin inQuartz Movement Calculator Digital Function Dual Time Currency Conversion 5 Alarms Stop Watch Auto Calendar Databank with Memory for up to 25 Entries in 13 Languages. 50. 4mm x 37. 4mm x 12mm Black Resin Stainless Steel Rectangular Case Resin Glass Solid Caseback Easy to Press Button Arrangement. 8 Digit Calculator Black Digital Font and Arabic Numbers. 24 20mm Black Resin Strap with Black Pin Buckle.