The austere aesthetics of Koppel's modernist white wall clock represent a stylistic refinement of the melamine clock. Their hands extend beyond the center, with the hours and minutes marked by circles instead of the traditional Roman numerals. A Georg Jensen watch with precision quartz movement. The watch works with AA batteries. A battery is included. The accuracy of the watch is /- 1 second per day or 15 seconds per month.In addition to the quartz movement, the wall clock also has a swing movement (a continuous movement of the second hand) Series: Coupler Item number: 3587583 Color: White Material: stainless steel Dimensions: Ø: 30 cm Year of introduction: 2015