The great 992B Challenge

**doug sinclair** · 01-25-2012, 12:46 PM

As of Jan 17, S # 342345 had gained 20 seconds since last set on Dec 4. As of today (Jan 25) it is still 20 seconds fast. Seems to have settled in to quite a constant rate.

**doug sinclair** · 02-04-2012, 01:05 PM

February 4. Two months now, and 17 seconds fast! Dropped 3 seconds since 1/25/12.

**Titanic1912** · 02-04-2012, 06:46 PM

Mr. Sinclair et al:

I wouldn't put too much stock in this but one of my 992Bs (made either 1961 or 1967?) for the last 60 days (5 December through 3 Feburary 2012) has lost 0.5 second. If I did the math correctly that works out to -0.0083 second per day. I haven't adjusted the watch. For the sake of transparency, the watch gained as much as 8 seconds and lost as much as 13 seconds over the course of 60 days. Also, I haven't worn the watch-just kept it in the face-up position. I checked the time of the watch against the atomic clock at station WWV. I hope this helps.

Thanks,

Curtis Hartin

**doug sinclair** · 02-04-2012, 07:23 PM

I anticipate this one will be within one minute in one year! It was 12 seconds fast on Jan 8, just short of one month ago. This one is worn daily, running face up when not worn.

**RON in PA** · 02-05-2012, 03:11 AM

Doug, are you sure that someone didn't slip a quartz movement into your 992B. Great job of regulating and adjusting.

**doug sinclair** · 02-05-2012, 08:19 AM

Quartz? I'll check!

**Dano4734** · 02-05-2012, 12:30 PM

Wow, I lost a minute in 6 weeks ... I figure that is better than RR time for sure so I won't mess with it ... Holy cow you tuned yours Doug

**doug sinclair** · 02-10-2012, 09:59 AM

Well! This is a follow up on the 992 B challenge which started Dec 4, 2011. 992 B (S # 342345) was within about 30 minutes of running down as of Friday morning! Oops! End result? As of this morning, after 70 days since last re-set, tested in wear and statically, it is DEAD ON! Maximum variation in 70 days? It WAS 20 seconds fast at one point. Potentially within one minute in one year, provided I don't forget to wind it (like I almost did)!

**doug sinclair** · 03-03-2012, 08:35 AM

Bump!

Hamilton 992 B S# 342345 is + 29 seconds on Saturday morning, three months since last set Dec. 4, 2012, at the start of the 992B challenge. Currently gaining a tad over 1 second per day.

**Dano4734** · 03-04-2012, 11:53 AM

Ok Doug, after a little regulator tweek my Candian 992B is up to a challange ... One week starting next Sunday ... you and I .. calling ya out my dear friend LOL
How about it ... :-)

**doug sinclair** · 03-04-2012, 12:43 PM

Dano4734,

I'm game for a challenge. Since this is a long term test for my 992B, I propose to neither regulate it or re-set it. I will report the error of my watch at the start of the contest, and will report the variation from that base line rate at the end. If I am fast 30 seconds at the start of the contest, and 33 seconds fast at the conclusion, I will have gained 3 seconds during the challenge. Comprenez vous? Starting March 10th at 24:00 hrs local standard time (MST for me), and running 168 hours. Am I correct? I won't adjust mine because I doubt I could get it any closer than 30 seconds fast in 3 months.

**Dano4734** · 03-04-2012, 01:26 PM

ok my friend, tell you now I am going to lose LOL but fun anyway

**doug sinclair** · 03-08-2012, 10:11 PM

Dano,

S # 342345 ran down on me today. It was + 53 seconds since Dec 4, 2011. I purposely shaved the winding kind of close as I was hoping it would slow down a bit. I hung it from a hook and let it wiggle, figuring that would slow it, but it picked up speed that way. So I have moved the regulator a bit, wound it, and re-set it. You still game for Sunday PM?

**Dano4734** · 03-08-2012, 11:02 PM

You bet Doug, so far just messing around my Canadian 992B isn't up to yours but I am doing about 12 - 14 secs slow a week. I am thrilled with that ... not what you get but still happy. I carried it on an airplane this week and on a trip ... still keeping good time ... love these watches. I got this one for 150 bucks also .. not a bad deal

**doug sinclair** · 03-10-2012, 12:10 AM

I don't know if you are on Daylight Savings Time where you live. I am. So Sunday night would be perfect. I have made a microscopic adjustment to the regulator on # 342345, and it shows no variation in 40 hours. I will have to set the minute and hour on Sunday morning, but I suspect I won't have to touch the seconds.