Seiko 8F35

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Seiko SBQJ015 perpetual calendar with 8F56 movement (READ DESCRIPTION)

You can see how Seiko SBQJ015 movement show settings of its perpetual calendar. Since you pull out crown to first click, and ...

Seiko Prospex SBCM023 dive watch - Japan-Only, 8F35 Quartz, 8-Yr Battery, Perpetual Calendar

One of the most accurate quartz watches ever made. Seiko's 8F35 movement is accurate to within 20 seconds per year, unlike the ...

Seiko Prospex SBCM023 8F35

Checking the perpetual calender settings on a Seiko Prospex SBCM023 caliber 8F35.