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Discussion of precise time and frequency measurement

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Re: [time-nuts] Us Time Nuts and... Wrist Watches.

CE
Chris Erickson
Sun, Dec 26, 2010 8:16 PM

I have a 1991 vintage Rolex GMT-II that I wear daily and it stays within
about 2.4 sec/day fast averaged over a 2 week period. I had a local
watchmaker mess with it to get it that close, which considering a mechanical
movement and variations in temperature, barometric pressure, differing
orientation and so on is pretty good.

But my real time-nut piece is a 1978 vintage gold Rolex Submariner that I
inherited from my father. That thing is a total fluke and keeps almost
perfect time: it will still be within 1 second of my 5065A after 30+ days.
It really needs to be serviced as the seals have started to leak and the
face is discoloring around the edges - I'm scared to even wear it in the
shower anymore, but I REALLY don't want the timing messed with. It'll never
be it that close again.

I have a 1991 vintage Rolex GMT-II that I wear daily and it stays within about 2.4 sec/day fast averaged over a 2 week period. I had a local watchmaker mess with it to get it that close, which considering a mechanical movement and variations in temperature, barometric pressure, differing orientation and so on is pretty good. But my real time-nut piece is a 1978 vintage gold Rolex Submariner that I inherited from my father. That thing is a total fluke and keeps almost perfect time: it will still be within 1 second of my 5065A after 30+ days. It really needs to be serviced as the seals have started to leak and the face is discoloring around the edges - I'm scared to even wear it in the shower anymore, but I REALLY don't want the timing messed with. It'll never be it that close again.
RD
Robert Darlington
Sun, Dec 26, 2010 9:25 PM

Right now my favorite watch is a $13.99 "U.S. Time" military style watch
that was made in China.  I replaced the band with one that I like better so
I guess maybe it's worth $14.99 now.  It keeps pretty good time (better than
Harrison's clocks but that's not really hard with a quartz oscillator),
takes a beating with my day to day and it's cheap enough that I don't care
about scratches although I don't seem to have any major ones.  I generally
don't care about "what time is it now?" time as much as intervals, and this
thing has a second hand for when I need to measure huge intervals with low
precision!

http://www.uscav.com/productinfo.aspx?productid=9981&tabid=548

-Bob

On Sun, Dec 26, 2010 at 1:16 PM, Chris Erickson ericksonc2@comcast.netwrote:

I have a 1991 vintage Rolex GMT-II that I wear daily and it stays within
about 2.4 sec/day fast averaged over a 2 week period. I had a local
watchmaker mess with it to get it that close, which considering a
mechanical
movement and variations in temperature, barometric pressure, differing
orientation and so on is pretty good.

But my real time-nut piece is a 1978 vintage gold Rolex Submariner that I
inherited from my father. That thing is a total fluke and keeps almost
perfect time: it will still be within 1 second of my 5065A after 30+ days.
It really needs to be serviced as the seals have started to leak and the
face is discoloring around the edges - I'm scared to even wear it in the
shower anymore, but I REALLY don't want the timing messed with. It'll never
be it that close again.


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Right now my favorite watch is a $13.99 "U.S. Time" military style watch that was made in China. I replaced the band with one that I like better so I guess maybe it's worth $14.99 now. It keeps pretty good time (better than Harrison's clocks but that's not really hard with a quartz oscillator), takes a beating with my day to day and it's cheap enough that I don't care about scratches although I don't seem to have any major ones. I generally don't care about "what time is it now?" time as much as intervals, and this thing has a second hand for when I need to measure huge intervals with low precision! http://www.uscav.com/productinfo.aspx?productid=9981&tabid=548 -Bob On Sun, Dec 26, 2010 at 1:16 PM, Chris Erickson <ericksonc2@comcast.net>wrote: > I have a 1991 vintage Rolex GMT-II that I wear daily and it stays within > about 2.4 sec/day fast averaged over a 2 week period. I had a local > watchmaker mess with it to get it that close, which considering a > mechanical > movement and variations in temperature, barometric pressure, differing > orientation and so on is pretty good. > > > > But my real time-nut piece is a 1978 vintage gold Rolex Submariner that I > inherited from my father. That thing is a total fluke and keeps almost > perfect time: it will still be within 1 second of my 5065A after 30+ days. > It really needs to be serviced as the seals have started to leak and the > face is discoloring around the edges - I'm scared to even wear it in the > shower anymore, but I REALLY don't want the timing messed with. It'll never > be it that close again. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. >
O
Oz-in-DFW
Wed, Jan 5, 2011 6:28 PM

I'm not too far different. I have a Timex "Easy Reader" which has an
MSRP of $40, but I paid $19.95 at Target. Very large dial numerals with
an equally loud and satisfying tick. The "Indiglo" dial face is great,
too.  Loses a few seconds a month so far.

On 12/26/2010 3:25 PM, Robert Darlington wrote:

Right now my favorite watch is a $13.99 "U.S. Time" military style watch
that was made in China.  I replaced the band with one that I like better so
I guess maybe it's worth $14.99 now.  It keeps pretty good time (better than
Harrison's clocks but that's not really hard with a quartz oscillator),
takes a beating with my day to day and it's cheap enough that I don't care
about scratches although I don't seem to have any major ones.  I generally
don't care about "what time is it now?" time as much as intervals, and this
thing has a second hand for when I need to measure huge intervals with low
precision!

http://www.uscav.com/productinfo.aspx?productid=9981&tabid=548

-Bob

--
mailto:oz@ozindfw.net
Oz
POB 93167
Southlake, TX 76092 (Near DFW Airport)

I'm not too far different. I have a Timex "Easy Reader" which has an MSRP of $40, but I paid $19.95 at Target. Very large dial numerals with an equally loud and satisfying tick. The "Indiglo" dial face is great, too. Loses a few seconds a month so far. On 12/26/2010 3:25 PM, Robert Darlington wrote: > Right now my favorite watch is a $13.99 "U.S. Time" military style watch > that was made in China. I replaced the band with one that I like better so > I guess maybe it's worth $14.99 now. It keeps pretty good time (better than > Harrison's clocks but that's not really hard with a quartz oscillator), > takes a beating with my day to day and it's cheap enough that I don't care > about scratches although I don't seem to have any major ones. I generally > don't care about "what time is it now?" time as much as intervals, and this > thing has a second hand for when I need to measure huge intervals with low > precision! > > http://www.uscav.com/productinfo.aspx?productid=9981&tabid=548 > > -Bob > -- mailto:oz@ozindfw.net Oz POB 93167 Southlake, TX 76092 (Near DFW Airport)