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: I've seen no tolerances published for the X-33
: and am wondering what they are. Does anyone
: know?
From the OMEGA TECHNICAL INFORMATION article here in the Omega Zone:
Omega reports that the full size Seamaster Professional Diver Quartz is shock resistant to 5,000 Gs. The Omega X-33 "Mars watch" is shock resistant to 3,500 Gs. The lower rating on the X-33 is due to the digital display, which NASA requested despite it being relatively more fragile than a traditional watch display.
While I haven't seen temperature specs on the quartz models, it is well known that quartz fails at low temperature extremes BEFORE mechanical watches will.
In addition, Omega has told me that:
"Any watch of our production is tested against shocks according to the Swiss Norms NHIS 91-10 / ISO 1413."
Which of course is a nice way of saying they meed the official standards without specifying WHAT those standards are.
To obtain the ISO documents of horological standards, you have to purchase copies from ISO. Cost is usually 40 Swiss Francs, or about US$ 29, per document in either PDF or printed form. Here is the link:
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