+1 every six months for me! (super quartz ;-)

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I have a secondary watch, a Chase Durer Commander that keeps PERFECT time, also electric.

 

Have both a Navitimer 01 and older Aerospace and even after many years the latter is incredibly accurate. My Navi has been very good since getting it in December '19, about a second per day as well.

 

11 year old Superocean, yet to be serviced, is +2s per day, which is what it has always been.

My newer SOH with the Tudor movement is +6s per day - so, just within COSC specifications. Extremely consistent though.

 

I have three Breitling mechanical automatics, one calibre B35 and two calibre 13's. Each one is within COSC spec of -4/+6.

 

My Avenger Gmt (6 months old) accuracy is rubbish! Anything from +3 to +11 sec day, but lost 20 sec in 5 hours the other day.... My gmt master II is +2 sec day everyday.

 

Exactly the same here. Gains about 2 minutes a week.

 

8 year old unserviced Breitling Avenger running about -5 spd.

 

My new SOH II 44mm had to go in for a service visit after only 10 days. It was gaining 2-3 seconds per minute! It had settled down from a 5 second per minute gain when it was first new. It arrived there on Wednesday morning. Hoping it comes back running as well as my 6 others, all of which are within a second or two per day.

 

I have the Tudor and I time it in five positions and get between 0-4 seconds per day with between 280-310 amplitude. So I guess superoceans would be the same.

 

Chronomat 44 at ~+4s/day

 

I've not checked. Accurate enough, I guess.

 

In my experience, pre-owned Breitlings out of warranty with the constraints of being 10 yrs old max keep 8-12s/d +/-. Some do keep better time, and others keep worse time. My personal Chronomat Blackbird is keeping -2s/d. The ETA / Valjioux based movements are the most reliable, I have not had the greatest luck with the in-house but do like the fact it's covered by the 5 yr warranty rather than 2 yrs. With that being said, I'll never pass on an in-house for those reasons. I still buy them, and I still like them. I do think the in-house is more authentically Breitling, and the movements are certainly more decorated in my opinion than the older ETA / Valjioux based movements.

The in-house is more costly to service and more difficult by independent watchmakers I've found. Like I said, I still buy them.

 

2 minutes a day!

 

Just got a brand new Super Ocean. Losing about -6 spd. Kind of annoying as it is out of COSC range. Of course, now it's my problem, so back to Breitling. While it's not off by much, it doesn't inspire a lot of confidence in the meaning of COSC certification.

 

 

^^^ How are you testing this?

 

I tested it using the Toolwatch app, but only after seeing that I needed to reset the time after 7-10 days.

 

Colt is +2 SPD and the Transocean is +4. Pretty consistent with most ETA based watches I've owned, COSC or not.

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My Colt Ocean Automatic averages between -2.5 and -3 s/d.

 

I got my new SOH about 2 weeks ago and it’s gaining stable +6 seconds a day. Not very happy with it even if it’s in specs. So in 2 weeks no difference. My IWC 8 days running -3 seconds in 6 months and it’s not a chronometer. I never seen any differences like setting period in any of my watches, so going to return it…

 

I got my new SOH about 2 weeks ago and it's gaining stable +6 seconds a day. Not very happy with it even if it's in specs. So in 2 weeks no difference. My IWC 8 days running -3 seconds in 6 months and it's not a chronometer. I never seen any differences like setting period in any of my watches, so going to return it…

I've always given them 4 - 6 weeks of wear to "settle in". Then, if I'm still not happy with the performance but it's within COSC spec, I send it in to Breitling USA and request a "fine timing adjustment". They've always met my needs and expectations.

 

Have you been wearing it? If so how are you going to return it?

 

I have a return period with tags and all labels for 30 days. But may be you are right. I’ll wait one more week to see what happens. Thank you.

 

I have four Breitlings and three of them are very accurate and one is 14 years old and is one second slow of the chronometer spec. All of mine were bought in the 2007-9 time frame and I am very satisfied. Just mine and your mileage may vary.

 

Thank you for response. This is my first Breitling.
I like this watch. Looks very nice. And it’s extreme stable +6 seconds, not 5, not 4. I gonna wait a bit to see if it changes accuracy.

 

Breitling seems to have a quality issue.
My factory-new Navitimer with a B 01 runs statically in the five positions on average exactely +6 s/d.
On the wrist the watch reaches up to +7 s/d.
My wife's 2 weeks old SO 36 with the B 17 runs currently at -6 s/d getting slower and slower. Quite typical for
ETA 2824-2 what it is in essence. Very disappointing. She will wear it for another months before we
will bring it in for regulation.
Her Navitimer 35 is OK at +5 s/d statically and +4 s/d worn.

My new Tudor is the benchmark at +1 s. Per week not day. Statically and dynamically.

 

Bought my Superocean Heritage 42 on the 25th of May.
I gave it a few days to settle in and let the reserve run down before giving it a full wind but it still ran +12 seconds per day.
Sent it back to the AD who said the watch is fine so I accepted it back.
But it's no different so it'll be going back again.
TBH I had expected more from Breitling
Both my Tudors are accurate so I thought this would be the same given it has a Tudor movement