Seiko SARB031 Made in Japan 6R15 Caliber Movement +5 Seconds in One Month
Sunday, February 28th, 2010Posted by: b_andersen
I just finished wearing my new Seiko Mechanical model SARB031 (link) for 31 days straight without letting the mainspring wind down. I’m pleased to announce the watch performed to quartz movement specifications. It gained a mere +5 seconds in a month. That’s right, not +5 seconds in one day, but +5 seconds in […]
