Seiko caliber 6N76 is a quartz watch movement with a big date at 6:00. It has 0 jewels with a typical quartz frequency of 32,768Hz. Made in Japan.
Measurements: 26.4mm diameter / 25.6mm casing diameter / 3.4mm thick
The big date calendar complication displays the date in two windows and uses two datewheels to display double digits. It is about twice the size of a regular date window.
Seiko claims that this caliber has an average accuracy rating of less than +/-20 seconds per month.
The battery in the 6N76 is an SR621SW (377/376). A fresh battery is said to give up to 3 years of running time.
Hacking seconds? Yes.
For stem extraction, the crown should be in neutral position (against the case).
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Note: This caliber listing is still being updated, but feel free to start discussions on it in the comments below…
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