I have that for almost 6 months now, and I timed it daily, this watch is awesome in accuracy even for a quartz watch, not even 1 second of deviation since I have it. This watch is not only impressive in accuracy, it is also a beauty with amazing dial. I w...
Mine (in the SBGX097) has never erred more than 1,5 seconds a year and is practically atom clock accurate. Yours is to a slightly higher spec, so I suppose you will get comparable results. The advantage if you really invest into a technology and source ev...