No matter what the day brings: The DS Action Day-Date Powermatic 80 always cuts a fine figure. The Day-Date display, positioned for high visibility at 3 o'clock, assures clarity at first glance. The dark blue dial with sun-ray finish is enhanced by light brown accents and Super-Lumi Nova®-coated hands. Power reserve is the time a fully wound mechanical watch runs until it stops - usually between 38 and 42 hours. The Powermatic 80 calibre makes a power reserve of up to 80 hours possible! So you can leave this watch for up to three days before having to set it anew - if you can do without it for that long...