After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to replace this battery?
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to replace this battery?
I've seen a few Youtube videos and it seems it is not such an easy and
safe task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
On 28/06/2025 15:13, Ottavio Caruso wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
I think you need a teeny screwdriver. Or maybe just a pointy knife will
do. It won't be waterproof any more.
I've never had the strap last long enough to change the battery.
As pointed out, they are cheap to buy. Argos sell them for £12.99. A
battery fitting shop would charge more, especially if they replace the
seal.
On 28/06/2025 18:01, Max Demian wrote:
On 28/06/2025 15:13, Ottavio Caruso wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and
safe task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
I think you need a teeny screwdriver. Or maybe just a pointy knife
will do. It won't be waterproof any more.
I've never had the strap last long enough to change the battery.
As pointed out, they are cheap to buy. Argos sell them for £12.99. A
battery fitting shop would charge more, especially if they replace the
seal.
£3.99 here:
https://www.ebay.co.uk/itm/396481461151
On 28/06/2025 18:01, Max Demian wrote:
On 28/06/2025 15:13, Ottavio Caruso wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and
safe task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
I think you need a teeny screwdriver. Or maybe just a pointy knife
will do. It won't be waterproof any more.
I've never had the strap last long enough to change the battery.
As pointed out, they are cheap to buy. Argos sell them for £12.99. A
battery fitting shop would charge more, especially if they replace the
seal.
£3.99 here:
https://www.ebay.co.uk/itm/396481461151
Casio F-91W
On Sat, 6/28/2025 10:13 AM, Ottavio Caruso wrote:
Casio F-91W
That looks like a lot of fun. CR2016. No wonder it runs for years and
years, the battery is relatively huge.
https://www.ifixit.com/Guide/Casio+F-91W+Battery+Replacement/158691
Just make sure your jewelers screwdriver head, is the proper shape
for the screw head. (Otherwise, you'll ream out the Philips pattern
and will be stuck.)
Often the screws are machine inserted and will not budge when usingMost jewellers type screwdrivers have a hole to insert a rod for leverage
jewellers screwdrivers. I have some long shaft jewellers type
screwdrivers with substantial fixed handles that usually work with tight screws
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to replace this battery?
On 28/06/2025 20:14, Paul wrote:
On Sat, 6/28/2025 10:13 AM, Ottavio Caruso wrote:
Casio F-91W
That looks like a lot of fun. CR2016. No wonder it runs for years and
years, the battery is relatively huge.
https://www.ifixit.com/Guide/Casio+F-91W+Battery+Replacement/158691
Just make sure your jewelers screwdriver head, is the proper shape
for the screw head. (Otherwise, you'll ream out the Philips pattern
and will be stuck.)
Often the screws are machine inserted and will not budge when using jewellers screwdrivers. I have some long shaft jewellers type screwdrivers with substantial fixed handles that usually work with tight screws
On Sat, 6/28/2025 10:13 AM, Ottavio Caruso wrote:
Casio F-91W
That looks like a lot of fun. CR2016. No wonder it runs for years and
years, the battery is relatively huge.
https://www.ifixit.com/Guide/Casio+F-91W+Battery+Replacement/158691
Just make sure your jewelers screwdriver head, is the proper shape
for the screw head. (Otherwise, you'll ream out the Philips pattern
and will be stuck.)
During re-assembly of digital watches, it's possible to accidentally rotate the movement and put it back the wrong way. Using your cellphone
camera, take a picture of the unit as you work.
Paul
Are you referring to JIS (Japanese Industrial Standard?) ?From the hi-res photos I can seem, Casio doesn't use JIS screws (no dot
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to >replace this battery?
Op 28/06/2025 om 18:05 schreef GB:
On 28/06/2025 18:01, Max Demian wrote:
On 28/06/2025 15:13, Ottavio Caruso wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and
safe task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
I think you need a teeny screwdriver. Or maybe just a pointy knife
will do. It won't be waterproof any more.
I've never had the strap last long enough to change the battery.
As pointed out, they are cheap to buy. Argos sell them for £12.99. A
battery fitting shop would charge more, especially if they replace
the seal.
£3.99 here:
https://www.ebay.co.uk/itm/396481461151
At that price point, and Ebay being Ebay, it's 99.99% fake.
schreef GB:
£3.99 here:
https://www.ebay.co.uk/itm/396481461151
At that price point, and Ebay being Ebay, it's 99.99% fake.
£3.99 here:
https://www.ebay.co.uk/itm/396481461151
Ottavio Caruso wrote:
schreef GB:
£3.99 here:
https://www.ebay.co.uk/itm/396481461151
At that price point, and Ebay being Ebay, it's 99.99% fake.
Supposedly it should have a tiny "U" under the second "S" of "RESIST"
<https://www.burningimage.net/genuine-and-fake-casio-f91w/>
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to >replace this battery?
On Sat, 28 Jun 2025 15:13:45 +0100, Ottavio Caruso <ottavio2006-usenet2012@yahoo.com> wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to
replace this battery?
My local watch repairer charges £10.50 to change a battery. As
mentioned ^^upthread^^ a new one from Argos is only £12.99 so what
have you got to lose by doing it yourself - unless it's a treasured sentimental item, that is.
I change the battery in my Rolex without any qualms at all.
Nick
(Someone is bound to remark that Rolex watches don't have batteries so
this can't be a genuine Rolex. Well let me tell you doubters that this
Rolex watch came from an itinerant watch seller on a South American
train and cost a full US$5 so I have no doubt whatsoever about its provenance.)
snip <
Of course now I end up replacing batteries for all the family but not
enough to set up in business.
On Sat, 28 Jun 2025 15:13:45 +0100, Ottavio Caruso <ottavio2006-usenet2012@yahoo.com> wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to
replace this battery?
My local watch repairer charges £10.50 to change a battery. As
mentioned ^^upthread^^ a new one from Argos is only £12.99 so what
have you got to lose by doing it yourself - unless it's a treasured sentimental item, that is.
I change the battery in my Rolex without any qualms at all.
Nick
(Someone is bound to remark that Rolex watches don't have batteries so
this can't be a genuine Rolex. Well let me tell you doubters that this
Rolex watch came from an itinerant watch seller on a South American
train and cost a full US$5 so I have no doubt whatsoever about its provenance.)
On 30/06/2025 00:17, Nick Odell wrote:
On Sat, 28 Jun 2025 15:13:45 +0100, Ottavio Caruso
<ottavio2006-usenet2012@yahoo.com> wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe
task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to >>> replace this battery?
My local watch repairer charges £10.50 to change a battery. As
mentioned ^^upthread^^ a new one from Argos is only £12.99 so what
have you got to lose by doing it yourself - unless it's a treasured
sentimental item, that is.
I change the battery in my Rolex without any qualms at all.
Nick
(Someone is bound to remark that Rolex watches don't have batteries so
this can't be a genuine Rolex. Well let me tell you doubters that this
Rolex watch came from an itinerant watch seller on a South American
train and cost a full US$5 so I have no doubt whatsoever about its
provenance.)
Rolex made a range of Quartz watches, the Rolex Oysterquartz Datejust.
On Mon, 30 Jun 2025 08:48:19 +0100, mm0fmf <none@invalid.com> wrote:
On 30/06/2025 00:17, Nick Odell wrote:
On Sat, 28 Jun 2025 15:13:45 +0100, Ottavio Caruso
<ottavio2006-usenet2012@yahoo.com> wrote:
After the 8th year mark, the time has arrived when the battery of my
Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've
seen a few Youtube videos and it seems it is not such an easy and safe >>>> task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they do) to >>>> replace this battery?
My local watch repairer charges £10.50 to change a battery. As
mentioned ^^upthread^^ a new one from Argos is only £12.99 so what
have you got to lose by doing it yourself - unless it's a treasured
sentimental item, that is.
I change the battery in my Rolex without any qualms at all.
Nick
(Someone is bound to remark that Rolex watches don't have batteries so
this can't be a genuine Rolex. Well let me tell you doubters that this
Rolex watch came from an itinerant watch seller on a South American
train and cost a full US$5 so I have no doubt whatsoever about its
provenance.)
Rolex made a range of Quartz watches, the Rolex Oysterquartz Datejust.
What? So you mean it might be a real one after all?
Nick
On 30/06/2025 15:19, Nick Odell wrote:
On Mon, 30 Jun 2025 08:48:19 +0100, mm0fmf <none@invalid.com> wrote:
On 30/06/2025 00:17, Nick Odell wrote:
On Sat, 28 Jun 2025 15:13:45 +0100, Ottavio Caruso
<ottavio2006-usenet2012@yahoo.com> wrote:
After the 8th year mark, the time has arrived when the battery of my >>>>> Casio F-91W has finally died.
Due to the cost of the watch, is it safe to change the battery? I've >>>>> seen a few Youtube videos and it seems it is not such an easy and safe >>>>> task, with much room for errors.
I only have a pair of pliers and a set of standard screwdrivers.
Alternatively, how much would places like Timpson charge (if they
do) to
replace this battery?
My local watch repairer charges £10.50 to change a battery. As
mentioned ^^upthread^^ a new one from Argos is only £12.99 so what
have you got to lose by doing it yourself - unless it's a treasured
sentimental item, that is.
I change the battery in my Rolex without any qualms at all.
Nick
(Someone is bound to remark that Rolex watches don't have batteries so >>>> this can't be a genuine Rolex. Well let me tell you doubters that this >>>> Rolex watch came from an itinerant watch seller on a South American
train and cost a full US$5 so I have no doubt whatsoever about its
provenance.)
Rolex made a range of Quartz watches, the Rolex Oysterquartz Datejust.
What? So you mean it might be a real one after all?
Nick
Certainly. A number of years ago, my daughter and boyfriend brought me a Rolex (must be genuine - it says "Rolex") from a beach vendor at a
Spanish holiday resort. I have replaced the battery from time to time,
but you'll understand that I only wear an expensive watch like that on
very special occasions.
(Seriously for a minute - it keeps excellent time!)
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