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Old 7 June 2016, 06:37 AM   #31
MikenAZ
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I Purchased a 16750 GMT Master in the 80s while on TDY with the USAF. I like the fact you can keep your home time and rotate the bezel to the time zone your in or going too. Yes.. with today's cell phones and advanced avionics suites available for aircraft some may believe the watch is past its prime. I still wear my GMT and recently acquired my father inlaw's 16700. Both share wrist time and I will gladly pass these to my sons when the time comes.
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Old 11 June 2016, 07:24 PM   #32
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I need (and enjoy!) the ability to read more than one time zone at any given time in my work. Its become a bit of an obsession in my collecting and there are a few more GMTs at home.

Anyways below is exactly the same time set for my home time (Dubai) and my present city (Seoul).

From left to right a Glycine Airman (1960?), Rolex GMTIIc BLNR (2016), Rolex Explorer II (2010) and Benrus Type I Class A (1974).




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Old 11 June 2016, 11:34 PM   #33
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That Benrus looks great. I'm a big fan of 12 hour bezels for tracking time. Really easy to read. Sadly I only have one.
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Old 15 June 2016, 11:23 PM   #34
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Seems to me the original write-up in this thread is very GMTIIcentric. The original GMTs only tied the GMT hand to the 12 hour hands and they were always in sync. It makes no sense to always have the GMT hand set to Zulu time as it is then confusing to read the time at a glance. It makes more sense to move the bezel to Zulu time and use the 12 hour clock for local time. Just my simple observation owning a 16700.
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Old 6 July 2016, 05:39 AM   #35
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Nice information, but I just like mine for how it looks.
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Old 6 July 2016, 05:42 AM   #36
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Thanks for the info
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Old 7 July 2016, 10:04 AM   #37
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Quote:
Originally Posted by HogwldFLTR View Post
Seems to me the original write-up in this thread is very GMTIIcentric. The original GMTs only tied the GMT hand to the 12 hour hands and they were always in sync. It makes no sense to always have the GMT hand set to Zulu time as it is then confusing to read the time at a glance. It makes more sense to move the bezel to Zulu time and use the 12 hour clock for local time. Just my simple observation owning a 16700.
It's just an interesting perspective with a small smattering of history thrown, and yes, the OP only seems to be familiar with the much later GMT II.

It's not a GMT hand, it's a 24 hr hand. GMT is the name of the watch which was originally meant to have the bezel rotated to show GMT time at a glance on the 24 hr bezel (or any other zone). You are right; it would make little sense for a pilot to set their watch to show Zulu on the standard dial when they only use that for 10% of their time.

Read it as in interesting Thread, but not a research document..
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Old 8 July 2016, 06:42 AM   #38
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Yes, no wrong answer. Being an astronomer, I have my GMT watch set to Greenwich
mean astronomical time (GMAT).
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Old 8 August 2016, 09:12 AM   #39
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Thanks for the great detail on the GMT! I'm actually looking to purchase one soon.
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Old 13 August 2016, 11:13 PM   #40
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Also a retired airline pilot here...I always keep the 24 hr. hand to GMT.

Now that I'm retired, it does not matter. Just habit though.
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Old 14 August 2016, 10:41 AM   #41
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Quote:
Originally Posted by SmokieDaBear View Post
Hello,

I am new to the forums and the brand new owner of a "batman" GMT Master II. I love it. Wear it every day.

Quick question. I thought the GMT hand should be positioned at your local time. For example, I live in EST. When I travel I can put the local time on my watch using the hour and minute hand. That way it is much easier to set. So I have local time and EST on the "GMT" hand.

Does that make sense? For a traveler like myself it is more useful because I can look to see what time it is at home and know what time it is at my location.
First off technically you don't live in EST. You live in a place that uses the US East Coast rules. Right now EDT rules are used. EST rules are used in the winter.

The GMT hand is made to be set to GMT. Set it to GMT / UTC. Then to find out what the time is in East Coast time during the summer (EDT), move the bezel 4 times to the right. For the 4 hours EDT is behind UTC. In the winter it is 5 hours. If you want to find out what the time is on the west coast, you move it 3 steps more to the right.

Here is a video that explains it: https://www.youtube.com/watch?v=RG4cZPgN9Oc
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Old 14 August 2016, 11:43 AM   #42
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Quote:
Originally Posted by skydriver View Post
Nice information, but I just like mine for how it looks.

we have both early GMT as well as later GMT II's in our collection and find the OP as well as others' contributions in this thread on the uses and functions interesting, but for me utilizing these features would be way too intellectually taxing. i just wanna wear the thing
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Old 14 August 2016, 08:47 PM   #43
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Originally Posted by Bluside View Post
Also a retired airline pilot here...I always keep the 24 hr. hand to GMT.

Now that I'm retired, it does not matter. Just habit though.
Same here...
cheers
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Old 13 September 2016, 02:34 AM   #44
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Thank you so much for this information! I am looking at the GMT II BLNR as my first Rolex. I was comparing this watch against the SubC Hulk, but being a business traveler, the GMT seems to have more function that I could use. I didn't understand the significance of the two-color bezel until I read this. It adds great looks AND great functionality.

Cheers!
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Old 13 September 2016, 03:05 AM   #45
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Quote:
Originally Posted by SmokieDaBear View Post
Hello,

I am new to the forums and the brand new owner of a "batman" GMT Master II. I love it. Wear it every day.

Quick question. I thought the GMT hand should be positioned at your local time. For example, I live in EST. When I travel I can put the local time on my watch using the hour and minute hand. That way it is much easier to set. So I have local time and EST on the "GMT" hand.

Does that make sense? For a traveler like myself it is more useful because I can look to see what time it is at home and know what time it is at my location.
When I first got my 16710, I set the 24 hour hand to GMT time, mostly out of convention.

Somewhere along the line, I just decided to set it to my home time (Eastern), and when I travel I set the hour hand to local time and the 24 hour hand to home time. Makes it easy and functional without turning the bezel.
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Old 13 September 2016, 05:21 AM   #46
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Quote:
Originally Posted by VinnieVegas View Post
When I first got my 16710, I set the 24 hour hand to GMT time, mostly out of convention.

Somewhere along the line, I just decided to set it to my home time (Eastern), and when I travel I set the hour hand to local time and the 24 hour hand to home time. Makes it easy and functional without turning the bezel.
That's what I do. I have no need for UTC time, but It's very handy to set the hour hand to local and 24 hour to home time.
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Old 13 September 2016, 06:42 AM   #47
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Quote:
Originally Posted by rolexwee View Post
...The GMT hand is made to be set to GMT. Set it to GMT / UTC. Then to find out what the time is in East Coast time during the summer (EDT), move the bezel 4 times to the right. For the 4 hours EDT is behind UTC. In the winter it is 5 hours. If you want to find out what the time is on the west coast, you move it 3 steps more to the right.
The GMT hand was made to be set to UTC? Since when?
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Old 28 September 2016, 02:53 AM   #48
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very nice write up, thanks for sharing.
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Old 6 October 2016, 11:35 AM   #49
raulfragoso
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I have a slightly different use for the GMT hand, since I live in Brazil and work for a company in Australia, I always have the GMT set to the time in Oz.
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Old 8 October 2016, 09:31 AM   #50
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The GMT hand was made to be set to UTC? Since when?
Yes, clearly that poster is not familiar with the GMT watch history and believes that you-tube is a research source..
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Old 9 May 2017, 09:55 AM   #51
Longhorn02
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Current airline pilot here, and I have to say having the GMT hand set to UTC helps me out all the time when at work when quickly browsing the release for the next flight. Weather reports, departure times (on our paperwork) is always in UTC and just being able to glance at the watch to decode the weather times, NOTAM valid times, and time until next departure is incredibly helpful. Then on the overnights I just rotate the bezel to show the local time zone for the night and then it gets recentered the next morning when we show for work again!


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Old 13 September 2017, 08:23 AM   #52
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While not a pilot, I seem to travel almost as much as one and have two GMT's (root beer and BLRO) as well as an EXP II to keep track of home time when travel.

Thanks for the write up.
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Old 13 September 2017, 08:29 PM   #53
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In the original post I talked briefly about the GMT2 and some general information on the significance/history of Greenwich Mean Time, Latitude and Longitude and timezones. For nostalgia here is an old ad that is fun and interesting.

A 1961 advertisement for the Rolex GMT in which they specifically talk about it's useful features. The photo shows the Sextant (probably on a Boeing 707) that was used through a periscope in the cockpit roof. An accurate GMT time source is essential for using a sextant as every 4 seconds of time keeping error equates to approximately a nautical mile of inaccuracy. Of course navigators and sextants are no longer used on modern airliners (with IRS and GPS) but a well regulated watch and also a GMT reference is still a very useful convenience both on and off the aircraft.

A little off topic but that is certainly not a 707. Don't ask me how I know:)
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Old 14 September 2017, 11:39 PM   #54
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Nice information, but I just like mine for how it looks.
Sums it up very nicely...GMT is just a super looking watch in virtually any version!
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