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Old 5 November 2009, 09:31 PM   #1
mojozia
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GMT II under heavy, daily G Forces (gravity)

Can anyone speak to the effects on a new GMT subjected to heavy G Forces? I fly daily pulling 7 Gs (my 20 lb arm will weigh 140 lbs). By using Chuck Yeager standing next to an F-15 as an ad campaign, it should seem safe for the watch to undergo such daily forces. But is it truly safe for the watch?
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Old 5 November 2009, 10:15 PM   #2
mldaytona
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If it's safe for your arm, it's safe for the watch.
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Old 5 November 2009, 10:30 PM   #3
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I'm sure that the structure of the movement is safe, but I'm interested in knowing if the time-keeping accuracy (or is it precision) is affected by the G-forces.
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Old 5 November 2009, 11:17 PM   #4
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No problem. Your watch can tolerate much higher G loading than you can. The autowind function would probably be affected by sustained high G, but that is not the case during flight.

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Old 5 November 2009, 11:49 PM   #5
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Quote:
Originally Posted by joeychitwood View Post
I'm sure that the structure of the movement is safe, but I'm interested in knowing if the time-keeping accuracy (or is it precision) is affected by the G-forces.
That's the REAL question!
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Old 5 November 2009, 11:58 PM   #6
OrchidDR
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Quote:
Originally Posted by mojozia View Post
I fly daily pulling 7 Gs (my 20 lb arm will weigh 140 lbs). By using Chuck Yeager standing next to an F-15 as an ad campaign, it should seem safe for the watch to undergo such daily forces. But is it truly safe for the watch?
What A/C do you fly? I was stationed in an F/A-18 squadron in the late 1990s fun plane, fun guys!
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Old 6 November 2009, 12:08 AM   #7
Colnago
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I would consider that the G force you experience would never damage the watch, however I would expect it to affect its accuracy momentarily when exposed to very high G forces....imagine banging your hand down hard on a solid surface, your watch comes to a very abrupt halt, probably could be calculated as a huge G force at the exact moment of impact........Rolex watches just shrug this off.......sure it can go well beyond what the human body can endure with no lasting effect......other than possibly losing or gaining a few seconds but only after many "shocks"
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Old 6 November 2009, 12:43 AM   #8
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Well the gmt llc seems to have had some qa issues reported here-date wheel, misaligned crown, imprecise gmt hand etc... Might be good to keep a close eye on it
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Old 6 November 2009, 01:10 AM   #9
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Old 6 November 2009, 01:17 AM   #10
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Well its said than quite a few Rolex GMT watches have been on space missions. And I would expect experience then more G force than most will ever experience.
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Old 8 November 2009, 06:25 AM   #11
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What kind of flying do you do where you regularly pull seven Gs? Crop-sprayer?
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