[WTS] Citizen Cosmotron X8 – Rare Vintage Japanese Transistorized Watch – $240 Shipped Up for sale is a Citizen Cosmotron X8, a historically significant timepiece from the early days of electronic watchmaking. This model was part of Citizen’s pioneering effort in the late 60s and early 70s to bridge mechanical and electronic technologies—featuring a transistorized balance movement before quartz dominated the market. 🧭 Specs: Model: Citizen Cosmotron X8 Movement: Transistorized hybrid (likely Cal. 4840 – date-only complication) Case size: ~36-38mm (wears very balanced) Jewels: 12 Beat Rate: 18,000 bph Bracelet: Original integrated stainless steel Crystal: Acrylic (no major scratches) Functions: Time + Date Power: Runs on a standard silver-oxide cell (SR43 or equivalent) Condition: Very good vintage condition – dial is clean, hands and markers are crisp. Bracelet shows light signs of wear, as expected from age. 🕰️ Why this watch matters: A genuine piece of horological history—one of the first Japanese transistorized watches. Pre-quartz hybrid tech, hard to find in original, working condition. Strong value for collectors of vintage Japanese or electronic timepieces. This X8 line paved the way for later quartz and high-beat developments from Citizen. 💰 Price: $240 USD shipped (fully insured, tracked; CONUS only). Payment via PayPal F&F or G&S (+3.5%). Will ship within 24 hours of payment. Happy to answer questions or provide additional photos/video on request. Thanks for looking!