No operational issues. Slight scratches are visible on the bezel and glass. The buckle is from a different model. Overall, it's in good condition. Instruction manual is included. No box. G-SHOCK G-STEEL GST-B400-1AJF Brand: CASIO G-SHOCK G-STEEL Analog/Digital: Analog x Digital Watch Movement: Quartz Power Source: Solar-powered Case Shape: Round Dial Color: Black Watch Display Features: Chronograph, World Time Watch Body Features: Bluetooth, Alarm, Perpetual Calendar, Shock Resistance Hour Markers: Bar Case Color: Silver Case Material: Stainless Steel, Resin/Plastic Bezel Color: Silver Belt Color: Black Belt Material: Rubber, Resin Water Resistance: Enhanced for daily life Case Thickness (mm): 12.9 mm