A. Lange & Sohne LANGE 1 DAYMATIC Lange 1 BrandA. Lange & Sohne CollectionLange 1 ModelLANGE 1 DAYMATIC Reference320.032 Country of originGermany Type of watchMen's Case materialRose gold Case diameter39.5 mm Case thickness10.4 mm Power reserve50 hours AutomaticHoursMinutesSecondsDateRetrograde dateTransparent casebackWristwatch