What year was the Kundo clock made?

The Kundo Anniversary 400 Day Clock, made by German manufacturer Kieninger & Obergfell, was originally produced in 1923. The word anniversary symbolizes the idea that the clocks only need to be wound once a year on a meaningful date, such as the date you received the clock.

How do I wind my Kundo anniversary clock?

Kundo 400 Day Clock Instruction Sheet ca. For the type of clock with pendulum locking device at the bottom rear of the movement. To wind this clock, put the key on the square and turn counterclockwise, 1/2 turn at a time. Release the key gently after each half-turn, don’t let let it snap back suddenly.

Where are Kundo clocks made?

Clocks may be marked ‘Kundo’ in the trademark fancy script & possibly K and O superimposed but also likely to have the full ‘Kieninger and Obergfell Made in West Germany” together with the number of jewels in type script not immediately visible either under the base or at the rear.

How does a Kundo clock work?

The Kundo electronic is a unique movement, in that it’s driven electromagnetically with a mechanical readout. The pendulum is driven by a transistor-electromagnet assembly (bottom of the pendulum), but the pendulum drives the hands through a count wheel.

How many times do you wind an anniversary clock?

As the name implies, the anniversary clock must be wound (at least) once each year. Many of these clocks will actually make it a whole year, but it is not uncommon for them to only last 8 or 9 months. The clock will probably begin to run slower as the year drags on. I recommend winding twice a year.

How much should I wind my anniversary clock?

To wind your anniversary clock, gently turn the winding key counterclockwise three or four turns. Once the key can no longer turn, your clock is wound for the next 400 days.

How does a kundo clock work?

Does an anniversary clock have a battery?

Today battery operation has replaced physical winding, although the basic mechanical principles remain intact. “Anniversary clocks” still stands, because in most cases, the batteries need replacing about once a year.

Can I use WD40 on my clock?

Don’t use 3-in-One or even worse, WD40. Both will impair the clock’s ability to work; modern clock oil is synthetic so much longer lasting than mineral or vegetable oils, which break down over time. Clock oils also contain rust inhibitors to protect the clock.

Do anniversary clocks need batteries?

Today battery operation has replaced physical winding, although the basic mechanical principles remain intact. “Anniversary clocks” still stands, because in most cases, the batteries need replacing about once a year. The original anniversary clocks are now mainly family heirlooms and the domain of collectors.

How much does it cost to fix anniversary clock?

Different clocks and their repair costs

Why does a battery operated clock stop working?

When battery operated clocks stop working, it’s usually caused by one or more of the batteries. Either a battery has lost its charge, or battery acid has leaked, causing corrosion. Often, the internal mechanisms, such as the cogs, springs and other movements of the clock, are not faulty and are unaffected.

How do you lubricate a clock?

Place the clock movement face down on a work table. Place one drop of synthetic clock oil from a clock oil syringe into each oil sink on the clock movement. Turn the movement over and place a drop of oil into each of the oil sinks on the other clock plate as well as the weight pulleys and the front plate posts.

Can sewing machine oil be used on clocks?

Products that you should NEVER use to oil a clock: WD-40, silicone lubricant, kerosene, graphite, sewing machine oil, motor oil, 3 in 1 oil or mineral oil. Clock oil is highly refined oil and it is engineered specifically for clock use .