Vintage Clock Key 3.25Mm – Original Vintage Brass Key
This original vintage clock key 3.25mm is an authentic older brass winding key intended for a square clock winding arbor measuring approximately 3.25mm x 3.25mm. Unlike a modern reproduction, the key shows the natural patina, age marks and character expected from a genuine vintage clock part.
Original period fittings can add authenticity and historical character when restoring antique clocks. A correctly sized key also helps provide a secure fit on the winding square, reducing the risk of slipping while the clock is being wound.
This is an individual vintage item rather than a newly manufactured batch product. Once sold, the same piece may not be available again, making it particularly suitable for collectors and restorers looking for original components.
Product Details
- Inside square size: 3.25mm x 3.25mm
- Material: Brass
- Condition: Original vintage / used
- Finish: Natural aged patina
- Suitable for: Compatible antique clocks
- Quantity: 1 key
Important
Measure the square winding arbor accurately before ordering. Clock key sizes are determined by the internal square opening, and a key that is too large or too small may slip or damage the arbor.
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Our Winding Clock Keys range includes single-end, double-end, crank and vintage keys in a variety of sizes for antique, vintage and mechanical clocks.













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