Rado Watch No. 636.0313.3 Authentic, only buy after you have inspected and confirmed it. It had a slight impact on the door and an internal bezel came off, it just needs repair. Rado Watch No. 636.0313.3 is from the Rado DiaStar Vintage series, and is considered one of the famous classic Swiss watches. Its most prominent specifications: * Movement: Automatic. * Size: Approximately 35 mm. * Glass: Sapphire Crystal, scratch-resistant. * Case: Stainless steel with gold-plated parts (depending on the version). * Functions: Displays day and date in many editions. * Production period: Often dates back to the seventies, with similar versions produced in later years. Serious buyers, we will not disagree.