🏷️ Basic Information Identification Make: Casio Model: QW-1854 Year: 1998 Generation: N/A (Watch Model) 📋 Manual Details Documentation Manual Type: Service Manual + Parts List Language: English (Assumed from description) Page Count: Unknown (PDF Download) Format: PDF Content Purpose: Repairing, Servicing, Maintaining, Rebuilding Availability Availability: PDF Download ⚙️ Engine Specifications Powertrain Engine Type: Quartz Movement Displacement: N/A (Watch Component) Power: N/A (Watch Component) 🔧 Transmission Powertrain Type: Direct Drive (Motorized Hands) Gears: N/A (Watch Component) 📐 Dimensions Physical Length: N/A (Watch Specific) Width: N/A (Watch Specific) Height: N/A (Watch Specific) Weight: N/A (Watch Specific) 🔧 Maintenance Service Service Interval: Battery Replacement (Typical 2-3 Years) Oil Capacity: N/A (Watch Component) Repair Guides Repair Scope: Comprehensive (As per description) 📄 Features Functionality Display Type: Analog-Digital Combination Water Resistance: Model Specific (Refer to Watch Specs) Battery Type: Model Specific (Refer to Manual) Strap Material: Model Specific (Refer to Manual) Case Material: Model Specific (Refer to Manual)