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By Twodogmike · Posted
Greeting all My name is Mike and I’m an hobbyist watchmaker from New Zealand. Have been down the rabbit hole for three years. Love hunting down old watches and fixing them to the best of my meagre ability. Cheers Mike -
Calipers are so that I can measure how much I’ve bent the bridge (if at all). I plan on being very conservative in my application of force, and if I’m only bending by tenths of a mm, I can easily imagine not applying enough force to bend it at all. -
Just to refresh my memory why do we need calipers for bending the bridge? -
Are you certain the screw was not plated with nickel in the first place? Polishing the head may remove the plating and expose the steel to oxidizing while the rest of the screw is protected from oxidation. I have made this mistake... An unplated unpolished screw will turn blue but not look very nice. I agree about the container. It is much too big and acting as a heat sink. To get decent results I kept reducing my pan until I settled on a 3cm steel cup. At the end of this thread is what I ended up using over a flame. Not exactly useful on a hot plate though. https://www.watchrepairtalk.com/topic/30935-bluing-hands-with-a-spirit-lamp/#findComment-264421 -
I've found a few similar with this first one being the most similar. I think the second one answers your question about the stem tube. https://empress.cc/products/1920s-rueff-freres-lugrin-minute-repeater-18k-gold-swiss-pocket-watch
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