If by up to snuff to modern standards they mean the 1171 bracelet is not as heavy, this is true. I wear this bracelet on my Speedy daily at work and have a lot of respect for this light bracelet. I work mostly outdoors and from my experience this bracelet is light but is very durable. The endlinks do rattle but I don't mind it as it gives it that "vintage charm". Of all my watches I love the light feel of my Speedy with the 1171 because the watch feels as though it melts away into my wrist instead of feeling constantly reminded (by the weight) that I am wearing a watch.
From my experience I only had an issue once with the clasp, but once it was properly adjusted it has been great.
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