Quick accuracy test of the 4R35

2 Replies

According to Seiko’s website, the accuracy spec of the 4R35 movement is +45 sec ~ -35 sec per day.

I had a specimen of the SBDY003 with me for review and on returning the watch, I put it on a timegrapher just to find out how accurate it is.

Below is the reading I got on the timegrapher with dial facing up. The watch is performing at -5 sec per day at this position.

Click the link below to read more about this watch.
http://yeomanseiko.wordpress.com/2010/10/31/seiko-prospex-field-watch-sbdy003/

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2 thoughts on “Quick accuracy test of the 4R35”

  2. Pingback: 4R35 on the timegrapher again « Yeoman's Weblog

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