VINTAGE WWI CYMA TRENCH WATCH – BASE METAL – ROUND CASE – FOR REPAIR/PARTS. This is a genuine World War I era c. 1910s-1920s Cyma Tavannes trench watch with a classic fixed-lug round case. These early wristwatches are a crucial part of horological history and are highly sought after by collectors for their historical significance. Era: WWI / Trench Watch style. Case Style: 32mm Round case with fixed wire lugs. Case Material: Base metal (nickel or chrome plated). Dial: Beautiful white enamel dial in good condition for its age. Features large black Arabic numerals and a sub-seconds dial at 6 o’clock. Movement: Manual Wind, marked 7 Jewels. Condition – IMPORTANT (READ CAREFULLY). Non-Running: The watch is currently not running. Movement Damage: The balance staff is broken and the hairspring is flat/pushed to one side. A complete service and part replacement is required. The movement is a 7-jewel caliber. Case Integrity: The front and back covers fit very well, which is a sign of good case structure. The base metal does show heavy patina, scratching, and areas of plating wear (brassing) consistent with a 100+ year-old piece. Crystal & Lume: The glass crystal has flaws and should be replaced. The original luminous material is largely missing from the hands. Collectors specializing in early military and trench watches. Watchmakers or enthusiasts seeking a challenging and rewarding restoration project. Someone needing a fantastic period-correct enamel dial and case.