How to Extend a Vintage Watch Bracelet?

I regularly buy vintage Seiko and Citizen watches on Japanese marketplaces. Most of the time, the seller doesn't have the box & the documents. That's to be expected for ~50-year-old watches. What's more annoying is

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1969 First Generation Zenith Defy all original condition with the original watch bracelet gay freres signed , with patent pending diver extension clasp. 1970's …

How to Extend a Vintage Watch Bracelet?

How to Extend a Vintage Watch Bracelet?

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