Serpentine High-Torque Clock Hands #HTH8

September 19, 2018 11:37 am Published by 2 Comments


High Torque hands are long hands that need to go on a high torque battery operated clock movement. The hands have the USA standard ‘I’ shaft mounting hole in the minute hand. What this means is the hour hand will have a round mounting hole and the minute hand will have an oblong hole. These hands are sold as a pair, and measured by the minute hand only from the center of the mounting hole to the end of the pointer side.

HTH8: $8.89

Serpentine High-Torque Clock Hands

Serpentine High-Torque Clock Hands quartz clock hands for the standard "I" shaft battery clock movements. Basically if it takes a battery and you got it from, these will fit. We only carry the "I" shaft units. What this means is the hour hand will have a round hole, and the minute hand will have an oblong hole. The oblong hole just fits over the movements "I" post and than the nut goes on top to hold it down.

Quartz clock hands are measured by the minute hand only, from the mounting hole to the end. The hour hand comes with the pair, but only measuring the minute hand. The hour hand will just come shorter proportionately.

About High-Torque clock hands

High-Torque clock hands, hands over 5”, need a strong battery movement known as High Torque. Measure the minute hand only, from the center of the mounting hole to the tip of pointer, to get the correct measurement to order them. You will receive one set of hands, minute and hour, from that one measurement. The hands we sell are known as the USA standard “I” shaft type, meaning that the minute hand has a oblong hole and the hour hand has a round hole.

Styles vary depending on length

Longer clock hands have (and require) a counter weight on the back end of the minute hand. They will look somewhat different than the same, but shorter smaller hands. This is needed for it to operate by the small battery operated, High-Torque clock movement. If the counter weight was not there, the long hands would not be able to climb uphill to the top of the hour.

Mounting Method

Quartz Clock Hands we offer fit on any battery movement we offer. There are two types of battery clock hands in the world. One is the China standard and one is American standard. The China standard has round holes in both the hour and minute hands. American standard has an oblong hole in the minute hand and a round hole in the hour hand, thus fitting the American "I" shaft. All of the hands offered here fit "I" shaft movements, therefore we sell only "I" shaft quartz movements.

Quartz clock hand compatibility

When replacing a , the old hands may fit the new movement just fine. If there is an oblong hole in the minute hand, chances are it will fit. The hour hand will always fit the new quartz movement.Only the minute hand (the longer of the two hands) is a concern. If in doubt, it's best to just order new hands for the new movement upon checking out. The order now has everything needed for a smooth movement swap out.

How the hands are sold

It is a set of hands, but only the minute hand is measured when replacing the set.Measure it, the long hand, from the mounting hole to the tip. The short hand, which is the hour hand, comes in the set with the minute hand. It is proportionally smaller. Dials more than 10 inches wide, may take a longer hand set. See our High Torque movement and hands section. A Second hand will fit any of our movements, including the high torque clock movements,but it isn’t as long.

Mounting quartz clock hands

Mounting is easy. Put the hour hand on first, as a friction fit. Just twist and push it on. Install the minute hand, with it’s oblong mounting hole, next. Push it onto the "I" shaft, at the top of the hand shaft, and screw on it's nut. If you have a second hand you would use the nut with a hole in it. If no second hand is being used, use the cap style nut so it looks pretty.

About High-Torque clock hands

Additional information

Weight 0.3 lbs
Minute Hand Length

9 Inch (229mm)


Black, Gold

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Charles Von Biggs
Charles Von Biggs

I need to replace a CT-678 mechanism, what should I get?