First, congratulations on your new G O . . .

. . . which I thought was going to be a Sport Evo GMT, but I take it you either couldn't wait or found another model that you preferred . . . can you at least give us a hint? There was no reason given regarding the more elaborate testing of the manual calibers, but if I had to hazard a guess, it would come down to the employment of the cal 39 and cal 100 in far more watches than the manual wind movements. Frankly, I'm as intrigued by the tighter tolerances specified for the manual calibers as for being tested at three temperatures . . . just another reason why the cal 22 Karree Panodate, and the cal 42 / 49 1845's before them, are such great values . . . cordially, Art

Caliber 39

By: t : January 8th, 2008-18:13

Anyone know the normal rate for a GO with caliber 39? Mine is in a sport evolution and my rates were +3 seconds after 24 hours, +8 after 48hours and +13 after 72 hours. Is this normal for caliber 39? Tom

Glashütte Original movements aren't COSC certified . . .

By: Dr No : January 9th, 2008-00:44

. . . so the usual parameters associated with the COSC don't necessarily apply. I can tell you my experience with six different cal 39 equipped watches, three of which have been sent in for service or regulation: the spread between the most and least accu...

SE

By: t : January 9th, 2008-08:19

Mine

By: db darien : January 9th, 2008-12:48

I own two G.O. watches, as Art knows (Senator Karree Manual Cal 22 and Senator Navigator Panorama Date Cal 100). Both watches run within a tolerance of + or minus 2 seconds per day. To be precise, both run fast by about 1-2 seconds per day. I understand t...

I haven't performed any timing tests on my cal 22 yet, but . . .

By: Dr No : January 9th, 2008-22:55

. . . the initial peremptory checks are within a few seconds per day, and the power reserve is 40.5 hours, exactly within the specified 40 hours +/- 5%. Btw, the cal 39 that was "essentially perfect" was my very first G O, a Karree chronograph w/o date: o...

. . . and a few comments regarding rate accuracy directly from G O . . .

By: Dr No : January 10th, 2008-09:54

. . . which performs tests to DIN standards rather than COSC. Glashütte Original manual- winding calibers 22, 42, 49, and most of the tourbillons are tested in five positions at three temperatures, and must be within a range of -4 seconds to +6 seconds pe...

Art, I don't mean to pepper you with questions but...

By: Downing : January 10th, 2008-18:40

Did GO happen to mention *why* the automatic movements are tested at only one temperature rather than three like the manuals? And what those temperatures are? Just wondering. If you don't know the answer, don't make a special effort to find out but next t...