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Showing results for tags 'positional error'.
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Assuming the hairspring is sitting correctly in the regulator pins, is flat, correctly coiled and clean. The balance has been correctly lubed and pivots/jewels are all ok, and it is poised ok. The timegrapher is set correctly for lift angle, beat rate etc .I appreciate that the quality of the movement and lack of wear etc are important but assume that these are at acceptable levels. What effect will beat error have, if any, on the positional timing? Is there a target beat error range that should be aimed at for good positional error? Your esteemed comments would be much appreci
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Today I show off what is probably the most accurate Seiko NH35 in existence. Let's see what this brand spankin' new Invicta does on the timegrapher: Oof. Ya hate ta see it. I know these numbers aren't anything to cry over for an 80 dollar automatic, but considering how these days microbrands stick this movement in watches costing hundreds more, and Seiko themselves with the equivalent 4R in watches costing even more, it's just not great. The rate itself to me is a trivial matter as nudging on the regulator is a trivial task. But what speaks to the quality of a movement in my ey
