Category Archives: tech stuff

The Active Length of the Hairspring

It is sometimes necessary to adjust the regulating pins on the regulating unit to ensure the hairspring is beating in between the pins and not over to one side. This is important because the point at which the spring hits the regulating pin denotes the active length of the hairspring, thus affecting timekeeping. If the […]

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Quartz watches and their forebears

Before we get into the nitty-gritty of Quartz Watches and the exactitudes of their functions, let’s cast a look back over a few of those failed antecedents alluded to previously. In the days before the ‘discovery’ of quartz’s useful properties, horologists the world over attempted to harness the powers of electricity in watchmaking. The attraction […]

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In Safe Hands – the Escapement in Focus

You remember how I mentioned that the impulse jewel extends downwards from beneath the balance wheel? Well that is true, but it is actually attached to small stepped, cylinder known as the safety roller, which is affixed to the balance staff beneath the balance wheel. The Roller is a single piece of metal, but has […]

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Nice teeth and classic curves

The teeth on wheels in watches may look pretty bog-standard, but they are actually a different type of tooth than the ones you would find on bigger machines that use similar-looking cogs, such as car engines and the like. If you made the wheels you found in a car engine the size of watch wheels, […]

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Chronograph Functions in Detail

As defined previously, a chronograph is a watch that tells the time and records elapsed time on demand. It’s basically a watch with a stopwatch attached to it. To make such a thing possible, a lot of parts, specially tailored to keep friction to a minimum, are necessary. I know I keep banging on about […]

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