Documentation, Books & Service Sheets
Discussing watch repair documentation, books, parts lists and service sheets
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By Michael1962 · Posted
Hi @oldhippy, The dial is pressed from a single piece of brass. Will have to work around the numbers. Artist would not be much use as i can’t confirm the original colour. -
By HouseofGeorge · Posted
Thanks for the screenshots. That's very helpful even the drawing which resembles a Bergeon 6160 so I know what you're saying. 🙂 Most probably I'll get the horotec clone from Ali-x. Yes, looks like time to go shopping for the tool. Alix for the removing took and Cousins for the pushers. They do come with the gasket in-built yeah? I guess I'll find out. Thanks guys for your input. Keep up the horology work! 👍 -
In repairing a generic Swiss cylinder quarter repeater pocket watch with no repeat mainspring I'm trying to work out how to determine the size of a suitable spring. Barrel ID 7.6mm, Arbor 2.77mm height around 1.45mm. Clearly only one turn is used plus setup, but the only actual figure I can find in Saunier who says in the previous half century 3.5 turns was considered good (and Saunier is about 1880). Calculating off that would suggest about a 0.15mm thick spring 128mm long. That feels intuitively a little thick, but I don't have another repeater conveniently to hand to check so any pointers welcome. Photo shows the repeat train assembled without the bridge since that hides everything. Alan -
By nickelsilver · Posted
To identify movements the standard practice is the actual diameter of the movement, and a front on image of both the movement side and the dial side- minus the dial. The setting mechanism (under the dial) is considered the "fingerprint" of the movement and 9/10 leads to full identification. -
What of? The wheel itself (standard lever escapement) or the plate with no numbers on it? Does that help, from the ebay listing?
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