You can see how Seiko SBQJ015 movement show settings of its perpetual calendar. Since you pull out crown to first click, and push it back in to normal position within a second, second hand starts to move in five seconds intervals. Every five second interval represent one year that has passed since the last leap year. Then the current month is shown in the calendar frame for 5 seconds (January is represented by 1)
Later you can see how hour hand and date is set-up in crown in first click.
Finaly you can see how minute and GMT hands are set-up by crown in second slick.
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Product Description
Seiko Perpetual Calendar
24-hour World Timer hand can display the time in another time zone. Perpetual calendar automatically adjusts for odd and even months including leap years up to February 28, 2100. Calendar indicates date. Second hand can indicate number of years since last leap year. Highly accurate with a yearly loss\gain rate of less ...
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babienicadr 1 week ago
Where can I buy it?
thalloran 1 year ago