Vintage Rolex Bubbleback spring bars — narrow lugs
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€14,95
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Cinturini Artigianali
Vintage Rolex Bubbleback spring bars — narrow lugs
€14,95
Set of two spring bars for Rolex Bubbleback, in hardened Swiss Standard steel. Typical size: 16mm or 17mm between the lugs, depending on the reference. Pin diameter: 1.5mm. The Bubbleback is one of the first Rolex automatic watches, produced from 1933 to the early Fifties — references 3131, 3132, 5050, 6105 and similar.
The lugs of the Bubbleback are very narrow by modern standards. Few aftermarket straps are made in these sizes, and almost none come with the right spring bars. The 1.5mm does its job: it holds without forcing, and on a case that is nearly a hundred years old, that matters even more.
When a client brings me a Bubbleback for a bespoke strap, these are the spring bars I use.
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24/48h delivery
30-day return
Free from Italy only
Atelier since 1984
Milan
Swiss Standard steel
316L · 10,000 cycles
SKU: MS-SB-spring-bars-rolex-bu
Spedizione estimata in 2-3 giorni lavorativi
Estimated shipping: 2-3 business days (domestic), 7-9 days (European market), 15-21 days (international market).
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We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible. Need to return something? Just let us know.
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The joy of little things
Changing your strap should be as simple as changing your shoes. With us, it is.
Every strap has integrated quick-release spring bars: swap it in one gesture, no tools, no risk of scratching the lugs. The same watch shifts mood with the moment.
Domande Frequenti
How do I know if my Bubbleback has a 16mm or 17mm lug width?
It depends on the reference. The most common ones, such as 3131, 3132, 5050 and 6105, fall between these two values. If you're not sure, bring me the watch: I'll measure it myself with the case in hand.
Is the pin diameter suitable for such a narrow lug?
Yes. The pin is 1.5mm, designed specifically for these narrow lugs. It holds securely without forcing the case.
What material is it made of?
Hardened Swiss Standard steel. On a case that's nearly a hundred years old, the right spring bar matters just as much as the strap.
Can I use these spring bars with a made-to-measure strap?
Yes, in fact they're made specifically for that. When a customer brings a Bubbleback to the Casati Milano atelier for a made-to-measure strap, these are the spring bars I fit. To book an appointment: https://casatimilano.com/pages/appuntamento
Why is it so difficult to find spring bars for the Bubbleback?
The lugs are much narrower than modern standards. Few aftermarket straps are made in these sizes, and even fewer come with the correct spring bars included.