My new Seiko Alpinist SPB245 ran pretty slow (-14spd) out of the box when new. After one month, it became even slower (-20 spd). So, I brought it to a local watch maker for a time regulation. The jeweler told me he preferred regulating high end Swiss watches with true multiple-position adjustment or a Grand Seiko but was not sure if my Seiko Alpinist would perform any better after adjustment. But I insisted and so he did at a reasonable cost of only $20.00 with a timegrapher. The difference…

Accuracy of Seiko 6R35 movement