Rado Florence Classic Women's Watch This watch (Rado Florence) with reference number 322.3770.2 is considered one of the smaller classic women's releases compared to modern versions, and it comes with approximately the following dimensions: Case Diameter: Typically ranges between 23 mm to 25 mm (which is the classic small women's size that characterizes this relatively older model from the Florence collection). Glass Type: Scratch-resistant Sapphire Crystal. Material: Gold Features: Water Resistant