Capri Designs - Sarah Watts Perpetual Wall Calendar (Toadstool) SARAH WATTS. Unique and whimsical designs that are sure to catch everyone's eye. EXTREMELY HIGH QUALITY & DESIGN. Our Perpetual Wall Calendars have been created with high quality materials and an eye for detail. Each one measures 4.75" x 11.5" and features a new month on each page. PERFECT FOR SCHEDULING. Perpetual Wall Calendars are perfect for keeping track of birthday's, doctor's appointments and holidays. They're even better when they have the beautiful Sarah Watts design.