🏷️ Basic Information Identification Make: Casio Model: QW-1922 Year: 1999 Generation: N/A 📋 Manual Details Publication Manual Type: Repair Manual Parts List Included: Yes Language: English Format: PDF Download Content Primary Purpose: DIY Repair and Servicing Target Audience: Watch Owners, Repair Shops ⚙️ Engine Specifications Module Engine Type: Quartz Movement Displacement: N/A Power: N/A 🔧 Transmission Gearbox Type: N/A Gears: N/A 📐 Dimensions Case Case Diameter Mm: Approx. 40-45mm (estimate based on typical digital watch of the era) Case Thickness Mm: Approx. 10-15mm (estimate) Lug Width Mm: Approx. 20-22mm (estimate) Weight Grams: Approx. 50-100g (estimate) 🔧 Maintenance Battery Battery Type: Likely a standard button cell (e.g., CR2032 or similar - specific to model) Battery Life Years: Estimated 2-5 years (variable based on usage) Servicing Recommended Service Interval Years: N/A (Typically user-serviceable for battery changes) Water Resistance Rating: N/A (Manual would specify, likely basic splash resistance) 📄 Features Display Display Type: Digital LCD Functions Primary Functions: Time, Date, Alarm, Stopwatch Backlight: Likely EL Backlight (electroluminescent) Case Material Case Material: Likely Resin or Stainless Steel Strap Material Strap Material: Likely Resin or Metal 📄 Technical Data Module Number Module Number: QW-1922 Accuracy Accuracy Per Month Seconds: Approx. +/- 15-30 seconds