7.9 (20 Cm) Diameter. 9.8 (25 Cm) Diameter.11.8 (30 Cm) Diameter. 15.5 (40 Cm) Diameter. Please Note for bigger sizes than 15.5 it will be used special mechanism and different type of hands as my last photo. 19.5 (50 Cm) Diameter. 23.5 (60 Cm) Diameter. 27.5 (70 Cm) Diameter. Square 8.85 (22.5cm) width. 3mm thick black mat acrylic face with high quality printed vinyl on it. My clock mechanisms are EZ Quartz® Sweep. Requires 1 AA battery (not included). I will also include a wish card with your note on it. I would love to hear your own ideas or your custom requests. All items are handmade and design by me.