- koimaster
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A LOOK INSIDE GRAND SEIKO’S 9S
High-beat movements, or calibers that run at 36,000 beats-per-hour/10 beats-per-second, are relatively uncommon in the industry today. The prevailing standard for quite some time now has been 28,800 beats-per-hour, or 8 beats-per-second, and it’s for good reason. These movements strike an excellent compromise as far as overall performance is concerned, with 28,800bph calibers being capable of excellent timekeeping without undue wear and tear on components.
https://wornandwound.com/a-look-inside- ... ql-jhCggz4
https://wornandwound.com/a-look-inside- ... ql-jhCggz4
1946-2006
“Your heart was warm and happy
With the lilt of Irish laughter
Every day and in every way
Now forever and ever after."