Tag: Kundo

Dial face Kundo Clock

Horolovar guide and how to determine the correct suspension spring for a 400-day clock

October 1, 2020

A 400-day clock, also known as a torsion clock, is a type of mechanical clock designed to run for about a year (400 days) on a single winding. It features a unique suspension system, where a rotating pendulum or torsion spring controls the movement. The clock’s long-running time is achieved through a very slow, consistent … More Horolovar guide and how to determine the correct suspension spring for a 400-day clock

Rate this:

Dial face of a 400 day clock

Kundo 400 day oval anniversary clock – let’s get this thing working!

May 6, 2018

Of the five anniversary clocks in my collection, none have cost me more than $30. It’s unfortunate because these clocks are truly fascinating devices. They are well-crafted, delicate, and ornamental, driven by spring mechanisms. While many thousands were produced, their abundance is reflected in their low value today. My focus is on collecting the older … More Kundo 400 day oval anniversary clock – let’s get this thing working!

Rate this:

Dial face Kundo Clock

Kundo 400 day clock and why I love anniversary clocks | Part I

October 11, 2017

The 400-day anniversary clock, also known as long-duration clocks, is a fascinating category of clock known for its ability to run continuously for a full year without needing to be wound. These clocks, often featuring intricate designs and beautifully crafted mechanisms, were first introduced in the late 19th century and have since become a beloved … More Kundo 400 day clock and why I love anniversary clocks | Part I

Rate this: