🏷️ Basic Information Identification Make: Casio Model: QW-2301/2326 Year: 1999 Generation: N/A 📋 Manual Details Documentation Manual Type: Service Manual + Parts List Language: English Format: PDF Download Availability: Downloadable ⚙️ Engine Specifications Powerplant Engine Type: Quartz Movement (Electronic) Displacement: N/A (Component level) Power: N/A (Not Applicable) 🔧 Transmission Drivetrain Type: N/A (Mechanical/Electronic Display) Gears: N/A (Not Applicable) 📐 Dimensions Physical Length: Refer to individual watch model specifications Width: Refer to individual watch model specifications Height: Refer to individual watch model specifications Weight: Refer to individual watch model specifications 🔧 Maintenance Servicing Service Interval: As needed (Battery replacement, cleaning) Oil Capacity: N/A (Not Applicable) 📄 Features Functionality Display Type: Digital (LCD) Water Resistance: Varies by specific model (e.g., 50m, 100m) Battery Type: Commonly SR-series lithium cells Alarm: Likely Stopwatch: Likely Backlight: Likely Calendar: Likely (Auto Calendar) 📄 Parts List Components Component Identification: Detailed part numbers and descriptions Assembly Diagrams: Illustrations of watch assembly