10 complete sets of brass pocket watch winding keys, 14 keys per set, numbered sizes 00-12, covering every standard pocket watch size.
⭐ At a glance
📏 14 keys per set, sizes 00-12
✅ Covers every standard pocket watch winding size
📦 10 sets included, new with original box and papers
✔️ Condition: New, vintage-style design
🔧 What it does & how to use
A pocket watch winding key is used to wind and set the movement of a key-wind pocket watch, and each set here gives you a full run of numbered sizes so you can match the key to the watch's winding arbor without guesswork. Handy for hobbyists, collectors and repairers who work on a variety of pocket watches and need the correct size to hand every time.
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Identify the size: check the winding arbor on the watch and compare against the numbered keys (00-12) to find the closest fit.
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Test the fit: the key should slide onto the arbor snugly, without excess play or forcing.
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Wind gently: turn the key smoothly in the correct direction to wind the mainspring, stopping once resistance is felt.
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Set the time (if applicable): use the correct key size on the setting arbor to adjust the hands.
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Store by number: keep keys in their numbered set for quick selection next time.
