🏷️ Basic Information Identification Make: Casio Model: QW-1634/1635 Year: 1997 Generation: N/A 📋 Manual Details Document Properties Manual Type: Service Manual + Parts List Language: English Page Count: Unknown Format: PDF Download Availability Availability: Downloadable Scope Scope: Repairing, Servicing, Rebuilding, Maintenance Covered Parts: Every Part ⚙️ Engine Specifications Module Engine Type: Quartz Movement Module Displacement: N/A Power: N/A 🔧 Transmission Drive Mechanism Type: Stepping Motor Gears: N/A 📐 Dimensions Case Case Diameter: Model Dependent Case Thickness: Model Dependent Strap Strap Width: Model Dependent Lug To Lug: Model Dependent 🔧 Maintenance Battery Battery Type: Model Dependent Battery Life: Model Dependent Cleaning Case Cleaning Method: Refer to manual Strap Cleaning Method: Refer to manual 📄 Features Timekeeping Time Display: Digital Additional Functions Alarm: Likely Stopwatch: Likely Calendar: Likely Water Resistance Water Resistance Rating: Model Dependent