Features
HR1688 movement's electronic coil is not only sufficient material coil large and use a high-quality bright copper lacquer wire winding, in addition to the stator piece is also the choice of nickel-iron materials, its high permeability, low resistivity has a role in saving electricity.
Specification:
Crystal frequency:32.768KHz
Timing Accuracy:±30Sec/Month(1.5V DC. 25℃)
Current Consumption:Less than 130μA(1.5V DC.)
Operating voltage: 1.3v to 1.7v
Operating Temperature: -10°Cto50°C
Power supply: 1.5v
Battery life (specification): Approx. One Year (UM-3)
Weight: Approx. 25g/PCS
Second hand output torque: ≤0.6gf-cm(1.5V)
Minute hand output torque: ≤30gf-cm(1.5V)
Requirements for pointer specifications:
Second hand length/weight: ≤130mm, ≤2g
Minute hand length/weight: ≤200mm, ≤6g
Second hand unbalance moment: ≤0.15gf-cm
Minute hand unbalance moment: ≤6gf-cm
Shaft lengths available in 8:
Shaft length 8mm, unthreaded
Shaft length 13mm, thread height 5.2mm, suitable for 1-2mm panels
Shaft length 14.5mm, thread height 6.7mm, suitable for 2-3mm panels
Shaft length 17mm, thread height 9.7mm, suitable for 4-6mm panels
Shaft length 20mm, thread height 11.7mm, suitable for 6-9mm panels
Shaft length 22.5mm, thread height 14.5mm, for 9-11mm panels
Shaft length 28mm, thread height 20.5mm, suitable for 11-17mm panels
Shaft length 32mm, thread height 24mm, suitable for 18-21mm panels
Package Includes(Optional):
2*movement(8/14.5/17/20/22.5/28/32/13mm)
2*nut
2*Washer
2*Gasket
Note:
The HR1688 jumping-seconds movement uses a single #5 battery.
The battery slot of the movement is not equipped with a battery cover
Please allow 1-3mm error due to manual measurement. Please make sure you don't mind before ordering.
Please allow 1-3g weight error. Please make sure you don't mind before ordering.
Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual colour of the real item. Please make sure you don't mind before ordering, thank you!
On Mar 3, 2025 at 01:25:04 PST, seller added the following information: