das997, Author at RK Watch Service https://rkwatchservice.com/author/das997/ Watch Repair & Restoration Service Fri, 04 Jul 2025 08:01:09 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://rkwatchservice.com/wp-content/uploads/2024/03/cropped-RK-Watch-Service-Logo-Chicago-Watch-Repair-Web-32x32.png das997, Author at RK Watch Service https://rkwatchservice.com/author/das997/ 32 32 Question about Citizen A660 Perpetual Calendar and battery change https://rkwatchservice.com/question-about-citizen-a660-perpetual-calendar-and-battery-change/ Sun, 22 Jun 2025 07:27:00 +0000 https://www.watchuseek.com/threads/question-about-citizen-a660-perpetual-calendar-and-battery-change.5103221/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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das997

I've read the Citizen A660 manual, but cannot determine whether you have to "reprogram" the perpetual calendar after a battery change. I would assume yes, but thought I'd ask the forum to see what happens after the battery is swapped out (you never know - it might retain the config)...

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]]> Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
RK Watch Service - Watch Repair & Restoration Service
das997

WatchUSeek Watch Forums WatchUSeek Watch Forums

I've read the Citizen A660 manual, but cannot determine whether you have to "reprogram" the perpetual calendar after a battery change. I would assume yes, but thought I'd ask the forum to see what happens after the battery is swapped out (you never know – it might retain the config)…

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