Hr1688-22.5mm Pendulum Clock Movement
Product Description
HR1688 standard shaft length 22.5 mm swing Clock Movement :
The products are all one-second movements with a lifespan of more than 2 years, all of which have passed the ROHS certification.
Crystal frequency: 32.768KHz
Travel accuracy : ± 30Sec / Month at 1.5V DC. 25 ºC (unadjusted)
Current consumption: Less than 250μA-270μA at 1.5V DC. (Pendulum)
Working voltage: 1.25V to 1.7V
Working temperature: -10 ºC to50 ºC
Power: 1.5v
Battery Life (Specifications): Approx. 8 Months (UM-3)
Weight: approximately 46g / PCS
Output torque of the second hand: 1.0gf-cm over / at 1.5V
Minute hand output torque: 36.0gf-cm over / at 1.5V
Pointer specifications:
Second hand length / weight: ≤130mm, ≤2g
Minute hand length / weight: ≤200mm, ≤6g
Unbalanced torque of the second hand: ≤0.15gf-cm
Unbalanced moment of minute hand: ≤6gf-cm
Details of clock movement:
Shaft length: 9mm / 7mm / 13mm / 14.5mm / 17mm / 20mm / 23mm
HR1688 Swing movement shaft length:
Total shaft length 22.5 mm, Thread height 14.7mm
Fit 12 MM Thickness Clock Panel . 
Can withstand the pendulum:
Pendulum length: less than or equal to 200mm
Pendulum weight: less than or equal to 40g
Swing amplitude: less than or equal to 13 °
quartz wall clock engine,hengrong clock movement factory equipment.
Packing & Delivery 
The company was established in December, 1999 and from day one, we have been committed to our production resources and technological expertise to offer high-quality and fresh designs of timepieces to our clients.
Why Choose us ?
2) We are factory manufacturer for most of the products; competitive prices
3) We have our own brand HR1688, and and high quality of clock movement,2000 models of clock hands
4) There are wide range of clock parts for your selections, total items for over 1000 items, including clock movement,clock hands,clock insert,clock dial,clock numbers,etc.
5) Honoured ROHS, FCC,CE Certificates
FAQ :
Q: Is it possible to place an order quanity less than the MOQ?
Yes ,it's possible. Please kindly send your inquiry with your order quantity.But the more you order,the cheaper price you can get.
Q: May i have sample of my interested items?
Yes,you can have the sample from our factory.Just contact us or you can send us an e-mail with your sample requirements.
*Payement
Paypal,Western union or T/T is accepted.
*How to place order to us?
Please send inquity to us and display your requirement in e-mail.
We will reply e-mail within 24 hours.
Any need of clock /clock parts , Welcome to send your inqures !
Product Categories : Clock Movement > Pendulum Movement
