→ This model is Citizen's Cosmo Sign, launched in 1986. This is the world's first watch with a precision constellation function, and it displays approximately 590 stars with a visual magnitude of 4.5 or higher as of the 2000.0 equinox. In addition, it is equipped with a quick constellation function, average solar position display, azimuth/altitude display, local sidereal time display, astronomical twilight identification function, etc. The design was innovative and attractive at the time, and it was a watch with a constellation display that was a big hit. → I think this is the model that many people are looking for. How about taking this opportunity? The inside of the dial is in good condition with no stains or scratches. The case, bezel, and back cover are in perfect condition. The engraving on the back cover is also clear. The belt and buckle are external products. →Dimensions: Width: 38.6 mm (excluding crown). → Wrist size 19.5cm → Keeping good time. New battery. →Water resistance is not guaranteed. →Citizen vintage box.. The watch will be shipped by FedEx Express Courier worldwide with a tracking code. Delivery time is only 5-8* for Europe and approx. 5-10 days* for other countries. Please, be aware of customs duty. Customs duties are the buyer's responsibility and are beyond the sellers' control. *Estimated business day