An antique grandfather clock is one of the most sought after types of collectible clocks. Grandfather clocks exude an extraordinary charm that you will rarely find from other types antique clocks. These long case antique clocks are typically integrated in traditionally-themed homes and offices. Many invest in this kind of antique clock mainly because of their unusual and attractive flair.
Types of Grandfather Clocks
Like antique wall clocks, grandfather clocks are also sold in varying sizes, styles, designs, and features. But in general, they can be classified into two major types, which include:
- Comtoise grandfather clock – This type of grandfather clock is produced in the region of Franche-Comte located in France. Comtoise grandfather clocks are widely found in Spain, Germany, and other parts of Europe. They were first introduced in 1658, while their production peaked during 1850 – 1890. Their most notable feature is their potbelly case.
- Bornholm grandfather clock – This is a type of a Danish clock that takes the form of a tall wooden box. Bornholm grandfather clocks are pendulum-driven Danish long case clocks that emerged in 1745. Unfortunately, the demand for this type of long case antique clocks has receded over the years.
Aside from the form and style, grandfather clocks can also be categorized according to how long they can last after winding. You can either choose between a 30-hour or 8-day grandfather clock.
- 30-hour Grandfather Clock – This clock uses a chain or a rope to wind the clock. It consists of one single weight that is mainly responsible for the clock’s entire operation. As compared to the 8-day clock, the 30-hour grandfather clock is relatively inexpensive but is also less valuable.
- 8-day Grandfather Clock – This clock makes use of a key winding mechanism and must be wounded after 8-days.
Identifying Grandfather Clocks
The identification of antique grandfather clocks covers a number of important aspects. Just like when determining a value of an antique mantle clock or antique wall clock, careful assessment and evaluation is also needed when figuring out the type of the grandfather clock. Some of the factors that you have to take note of to properly determine the exact type and model of a grandfather include the following:
- the clock designer or manufacturer (clock makers always leave their signature on the clock to mark their creation)
- materials used (although genuine antiques are typically made of wood, there are also some that are combined with other types of materials)
- architectural styles
- the top crown (available in four unique styles: split-pediment, bonnet-top, flat top, and round top)


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