Clifton Baumatic Designs, similar to this version by using a gradient green dial, are distinguished from their non-Baumatic predecessors from the crosshairs motif in the middle from the dial that represents their COSC chronometer certification. The movement’s most notable attribute, its prolonged 5-day electricity reserve, is also called out on https://www.jowissa.com/fr-ch/products/aura-schweizer-damenuhr-j5-638-m