Derby was built to last with a design that thinks in decades not seasons. Argonite 772 high accuracy quartz movement drives time with precision. Polished gold PVD and silver-tone five-link stainless steel bracelet. Opaline dial with "knockout" style numerals and slender hands. Polished stainless steel case with bend inspired from a horseshoe. Gold-tone push down crown. Double curved sapphire crystal dial window. Double push button quick release closure. Bracelet width: 14mm. Case thickness: 3.85mm. Case size: 30mm. Water resistant to 50 M.