A Seiko Perpetual Calendar watch has a computer chip which has a four-year date sequence which will always show the correct date without manual adjustment accounting for the different months and leap year. If the date is not correct, the calendar needs to be re-programmed.
Posts Tagged ‘Seiko Perpetual Calendar Watch’
Why is my Seiko Perpetual Calendar watch showing the wrong date?
Thursday, December 10th, 2009I had the battery replaced in my Seiko Perpetual Calendar and the second hand now ticks in 3 or 5 second increments.
Thursday, December 10th, 2009If the battery is replaced and the perpetual calendar is not re-programmed, the watch will keep time, but the second hand will tick in odd increments as an indicator that the calendar has not been programmed.
How is a Seiko Perpetual Calendar watch different from any other date/time watch?
Thursday, December 10th, 2009A perpetual calendar watch, both Seiko and Citizen make watches with this feature, have a computer chip inside the watch. When programmed correctly, the chip will advance the date wheel correctly for 30 or 31 day months. It will also account for the 28 days in February as well as adjust for leap year.
Why is my Seiko Perpetual Calendar watch ticking in two second increments?
Thursday, December 10th, 2009The two second increment ticking is an indication of low battery power. The long life lithium battery that power a Seiko Perpetual Calendar watch needs replaced when the watch starts to tick in two second increments. If the battery is not replaced, the watch will eventually stop.