Watches with broken balance staffs are eBay gold. Many hobbyists lack the skills or equipment to replace a balance staff or have been discouraged by a few bad attempts. As… Read more »
For the most part, accuracy in different positions is a matter of poise—the even distribution of weight around the balance wheel. We thus look for ways to add weight to… Read more »
When adjusting to 5 or 6 positions, the first step—adjusting the dial up (DU) and dial down (DD) positions—is usually the hardest. Kleinlein’s approach to adjusting emphasizes that these two… Read more »
When adjusting to 3 or more positions, our first goal is to get the dial up (DU) and dial down (DD) positions to agree. How close is “close enough” depends… Read more »
We have a few ways to remove weight from balance screws, and one of the best is undercutting, which removes a clean ring of weight from the flat bottom of… Read more »
In dynamic poising, we add weight to the balance wheel’s lightest spot or remove weight from the wheel’s heaviest spot. What tools work well for removing weight? The amount of… Read more »
To put a balance wheel in poise, we add weight to the lightest spot or remove weight from the heaviest spot. What are good tools for adding weight? Balance Screw… Read more »