YouTube video on installation made this replacement a snap. Battery/Capacitor comes partially charged. You need to wear it for a day or so to fully charge it up. The winder weight has a screw holding it down that has a very fine screwdriver slot. I needed to sharpen my screwdriver to a fine edge just to get it into the screw head. Otherwise, piece o cake. Recommend using a magnifier or magnifying goggles and fine pointed tweezers as the parts are "tiny." Local jewelers wanted to keep it three days a charge me $130. Took me fifteen minutes, tops, taking my time as I went. My watch requires a device for removing a screw back style watch case. If you don't have one, order one. Worth the investment. Watch working again and keeping good time.
Verified purchase: Yes | Condition: New
Have had it in watch for only a month or so and will not hold a full charge. The original capacitor that came with the watch lasted 5-6 years before loosing full charge and then maybe another year before it did not work, all in all a sorry performance for a stock seiko cap. My father got a kinetic in 1978 as a gift and the cap lasted till 1996 and that is after it had been sitting for about 2yrs. P.S. Just for general info I am a 30+ year veteran in electronics and automated equipment maintenance specializing in micro electronics and I can tell you if you do not have a good eye and a steady hand DO NOT try to replace this capicitor your self, even for me I had to modify my smallest screwdriver to complete the work.
Verified purchase: Yes | Condition: New
These kit worked and allowed me to use my Seiko that had sat idle for years. My jeweler wanted $$$ to do this job, the kit was $. Mind you, it is minute meticulous work.
Verified purchase: Yes | Condition: New
Judging from the videos, I was expecting it to be a frustrating experience to change this capacitor. But aside from getting the watch itself open, this was super easy. The battery dropped snugly into place, the insulator stayed right where it was supposed to, and the cover fit exactly, all on the first try. The watch now runs smoothly and on time, and I expect it to for years to come.
Verified purchase: Yes | Condition: New
Tried replacing a battery about a year ago in my Seiko 5M42 watch and it didn't last 3 months. Noticed the difference with this battery as it immediately indicated a full charge (second hand sweep thru 30 sec). Altho after about 4 days it has dropped to about a 20 sec sweep on test but has been holding steady so I am hopeful this is a "good" battery and that my early change out was a "stale" unit that would not hold a charge.
Verified purchase: Yes | Condition: New
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