This is an auction format (including shipping). A quartz watch with a white dial, gold case, and calendar function. This is a Citizen Avalon complication watch, the Super Calendar. 1989 Avalon Super Calendar The world's first wristwatch equipped with a quartz 200-year calendar, and the world's first to feature an electronic perpetual calendar. It utilizes the characteristics of the Gregorian calendar, employing a spiral display method for the year. It also has a built-in 200-year calendar from 1900 to 2099, which can be accessed. This is a rare item, as working examples are rarely seen. The battery was replaced this August. Although there is no instruction manual, a PDF file of the basic operation manual is available from Citizen's website. https://citizen.jp/support/guide/670x.pdf There is also a blog that explains the detailed handling of this watch. The URL will be provided to the buyer. [Specifications] ・Brand: CITIZEN ・Series: AVALON Super Calendar ・Model Number: 6700-G70013 ・Movement: Quartz (battery-powered) ・Case Diameter: Approximately 38mm (excluding the crown) ・Accessories: None Operation: Good Scratches/Cracks: None