If you start adjusting the upper and lower levers, you'll be in for a long night of micro-adjustment - checking - more adjustment - more checking. Adjusting the top lever will also change the beat - and may make the error better or worse, but I'd recommend not touching this lever anyway if it's your first time. The lower lever (blue) is used for adjusting the beat error, which for those who don't know, is the difference between the length of the "tick and tock" as the balance wheel rotates clockwise and anti-clockwise. I'd STRONGLY recommend using a jeweller's loop, you don't want to touch the hairspring or damage the movement in any way. Nudge it by the smallest possible amounts you can, then recheck with the app. Clockwise to make slower, anti-clockwise to speed up. Using a jeweller's eyeglass or other magnifying glass, carefully move the top lever (red arrow) on the escapement as pictured below. Take the back off of your watch using the appropriate tool bought for a few quid off Amazon.Ĥ. Measure the beat of the watch using the mic on your headset or even just by holding the watch to your smartphone works in a very quiet room.ģ.
It costs £12.99 (UK) but is well worth it.Ģ.
#WATCH TIMEGRAPHER FOR WINDOWS DOWNLOAD#
Download the Timegrapher app from your smartphone app store.
Well, either the watch took one almighty wallop in transit, which knocked it all out or some of the TD's aren't totally honest with the Timegrapher pics, because my watch was gaining 2.5 minutes per 24 hrs when it arrived!Įither way, the watch you get might not be accurate, so for those who are fairly good at DIY tinkering, here is a good cheap fix for the commonly used Miyota 9015 movement:ġ. My QC image for my Nautilus PPFv4 said 0 m/s beat error and +5 secs per 24hrs time gain.
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