Broken casio edifice
Discussion
just noticed that my watch isnt going anywhere second hand is trying to tick but just keeps snapping back hands move fine if i try to change time but if i change date the date moves fine but the day keeps skipping back so i cant advance it but if i move the date the day will then move.
any ideas? its less than a year old so i can get it repaired id imagine but if i could get it going that would be good
any ideas? its less than a year old so i can get it repaired id imagine but if i could get it going that would be good
TheConverted said:
I could be wrong, but i may just be the battery. my quartz tag does the same when it needs a new battery.
don't forget the watch could have been sat a while before you bought it. so it may have been ticking a lot longer than a year.
Andy
I think the Edifice range comes with solar recharging, so the cell should last 10+ years unless the good doctor is a troglodyte (or has very thick shirt cuffs). That said it may be worth leaving on a windowsill for a few hours on a bright day (I was going to say sunny, but for a British November bright seems a more suitable adjective) to give the watch a bit of extra power.don't forget the watch could have been sat a while before you bought it. so it may have been ticking a lot longer than a year.
Andy
littleredrooster said:
My Edifice isn't solar...
Some are some aren't. Mines is a solar and when my cell was low the second hand didn't move and just stayed at 12, normally when they run low they jump 2 seconds rather than one, I just put in direct sunlight for an hour and it's been fine since so this one sounds like a failed battery and not a solar one.
As it's not solar, I agree that changing the battery would be the first step, it's cheap to do.
Here's a battery charge, where ¯ is nominal, - is low power and _ is flat:
¯¯¯¯¯¯¯¯¯¯¯------__
The electronics can detect the lower power and go into power save mode (usually this is to move the second had only every other or every fourth second). This gives the wearer a visual indication that the cell needs changing.
However, it if the power drops suddenly from nominal to flat then the watch starts to behave erratically with no warning. As batteries are a chemical reaction the recent sharp drop in ambient temperature may have slowed the reactions sufficiently to make the cell flat rapidly.
Here's my understanding of quartz movements (happy to be corrected, I've been wrong before
):
Quartz watches contain stepper motors with, say, 4096 steps for a full sweep so about 68 steps for one second. To move the hand the electronics sends a train of pulses to move 70 steps (just too far) and then 2 steps back (to decelerate the second hand). The better the movement, the more complex this sequence is and can have feedback from the motor current to determine when the hand has stopped. Just like a car, most of the power is needed to accelerate the hand from stationary and again to stop it; this is when the watch draws most power from the cell (and why skipping seconds in low power mode helps). If the cell is flat, it can't supply sufficient power at peak demand and the hand just quivers.
I'd also imagine it would be cheaper to put in a second motor to drive the day/date than a complex gear set to achieve the 'instant at midnight' change that the higher mechanical watches achieve. This would, for similar reasons to the above description of the second hand, struggle to move given a weak cell.
Here's a battery charge, where ¯ is nominal, - is low power and _ is flat:
¯¯¯¯¯¯¯¯¯¯¯------__
The electronics can detect the lower power and go into power save mode (usually this is to move the second had only every other or every fourth second). This gives the wearer a visual indication that the cell needs changing.
However, it if the power drops suddenly from nominal to flat then the watch starts to behave erratically with no warning. As batteries are a chemical reaction the recent sharp drop in ambient temperature may have slowed the reactions sufficiently to make the cell flat rapidly.
Here's my understanding of quartz movements (happy to be corrected, I've been wrong before
):Quartz watches contain stepper motors with, say, 4096 steps for a full sweep so about 68 steps for one second. To move the hand the electronics sends a train of pulses to move 70 steps (just too far) and then 2 steps back (to decelerate the second hand). The better the movement, the more complex this sequence is and can have feedback from the motor current to determine when the hand has stopped. Just like a car, most of the power is needed to accelerate the hand from stationary and again to stop it; this is when the watch draws most power from the cell (and why skipping seconds in low power mode helps). If the cell is flat, it can't supply sufficient power at peak demand and the hand just quivers.
I'd also imagine it would be cheaper to put in a second motor to drive the day/date than a complex gear set to achieve the 'instant at midnight' change that the higher mechanical watches achieve. This would, for similar reasons to the above description of the second hand, struggle to move given a weak cell.
I appreciate that this thread is a couple of years old now, but I've just had my Creation sourced Edifice returned from a warranty repair by Casio UK.
No questions asked, no fee to pay, it was just booked in online and then sent in with a photocopy of the warranty leaflet that was included in the box when I got it. And all within 10 days, excellent service really
No questions asked, no fee to pay, it was just booked in online and then sent in with a photocopy of the warranty leaflet that was included in the box when I got it. And all within 10 days, excellent service really
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