Seiko SARB031 Made in Japan 6R15 Caliber Movement +5 Seconds in One Month

Posted 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. …

Imported: 28. Feb 2010 (22:10), GMT+9

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