2 PCS HR1688 Quartz Clock Mechanism Movement, Spec: 17mm/ 9.7mm

Repair or create your own custom wall clocks with this 2-piece HR1688 quartz clock movement set. Designed for reliable timekeeping and quiet operation, these battery-powered mechanisms feature durable nylon gears and a precision quartz-controlled timekeeping system.

The HR1688 movement uses a carefully designed electronic coil with copper winding and a nickel-iron stator to provide efficient operation and low power consumption. Ideal for DIY clock projects, replacement repairs and handmade decorative clocks.

Key Features

1. Reliable Quartz Timekeeping
Powered by a 32.768KHz quartz crystal oscillator, the HR1688 movement provides consistent and accurate timekeeping, with a stated accuracy of approximately ±30 seconds per month under specified test conditions.

2. Durable Nylon Gear Construction
The internal gear mechanism is made from high-quality nylon, offering flexibility, low operating noise and long service life.

3. Efficient Electromagnetic Design
Features a copper-wire electronic coil and nickel-iron stator with high magnetic permeability and low resistivity, designed for efficient power consumption.

4. Low Power Consumption
Designed to operate with less than 130μA current consumption at 1.5V DC, helping extend battery operating time.

5. Quiet Operation
The precision gear construction supports smooth, low-noise clock operation, making it suitable for everyday home and office clocks.

6. DIY Clock Making and Repair
Suitable for replacing compatible quartz clock mechanisms or building custom wall clocks with appropriately sized clock hands.

7. Convenient Mounting Accessories
The movement is supplied with mounting hardware, including a gold hexagonal flat nut, gold washer and black rubber pad.

Technical Specifications

Compatible Clock Hand Requirements

For reliable operation, the clock hands must meet the following maximum specifications:

Please ensure that your clock hands are within these limits to avoid excessive load on the movement.

Package Contents

• 2 × HR1688 Quartz Clock Mechanisms

• Gold hexagonal flat nuts

• Gold washers

• Black rubber pads

Important Notes

• AA batteries are not included.

• The battery compartment generally does not come with a separate battery cover.

• Clock hands are not included unless specifically shown in the selected product package.

• The 17mm / 9.7mm specification should be checked against the movement's mounting shaft dimensions before ordering.

• Ensure the clock hands are compatible with the movement and do not exceed the specified length, weight and balance limits.