Hey GS fellows, I'm loving my SBGJ021 so far, and it's behaving really well (+3 seconds in five days). Now, I've read some field reports about the 9S86 caliber being even more accurate, and factors like winding it at a specific time everyday and positioni...
That's certainly true of the Presage I timed for three days last week, and I have found it so on some other watches too. But every watch is different. You just have to experiment - it will take a few days or weeks but then watches have "all the time they ...
most people don't ever place their watches that way, but think of it, that's equal to dial down, back of movement UP as normally a watchmaker is adjusting the movement. And in that position the hairspring is horizontal, not vertical or at an angle. Cazale...