Quote:
Originally Posted by Apache
I can attest to that. Seiko had to have a special battery made for it's old Perpetual Calendar watches. The battery used to wholesale at more than $25.00. They have since changed the Perpetual Calendar watches to use a standard size battery. After changing the battery in the original Perpetual Calendar you had to depress four different contacts, inside the watch, to reset all functions. This could take up to 20 minutes to do. Seiko even had a four page full size laminated document for jewelers to use.The newer ones have buttons on the outside that allow you to set the functions in five minutes.
Apache
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This is a rather good example of why custom batteries are not a good idea. So thinner/lighter, nope. The KO2 is a good example of this. I've read of coplaints about the battery. There's no need the KO2 could not have been made to have at least the same battery life as the PW or Voyage depending which lasted longer.
Also, these thinner Readers make them more fragile.