2 PCS HR1688 Quartz Clock Mechanism Movement,Spec: 14.5mm/6.7mm

The HR1688 Quartz Clock Mechanism Movement is designed for precise timekeeping in clocks. It is suitable for various clock repair applications requiring a reliable movement mechanism.

• Model: HR1688
• Material: High-quality nylon, nickel-iron, bright copper lacquer wire
• Crystal frequency: 32.768KHz
• Time accuracy: +/-30 seconds per month (at 1.5V DC, 25 degrees Celsius)
• Current consumption: Less than 130μA (at 1.5V DC)
• Operating voltage: 1.3V to 1.7V
• Operating temperature: -10 to 50 degrees Celsius
• Power supply: 1.5V AA batteries (not included)
• Weight: Approximately 25g per unit
• Second hand output torque: Less than or equal to 0.6gf-cm (at 1.5V)
• Minute hand output torque: Less than or equal to 30gf-cm (at 1.5V)
• Pointer specifications:
  • Second hand length/weight: Less than or equal to 130mm, less than or equal to 2g
  • Minute hand length/weight: Less than or equal to 200mm, less than or equal to 6g
  • Second hand unbalance torque: Less than or equal to 0.15gf-cm
  • Minute hand unbalance torque: Less than or equal to 6gf-cm
• Battery slot: Generally not equipped with a battery cover, includes gold hexagonal plane nut, gold washer, black rubber pad