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Grand Seiko Spring Drive 8-Days and what's so "Seiko" about the Spring Drive technology - Monochrome Watches
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A new Grand Seiko Spring Drive 8 day power reserve creation, inspired by the sky at night. | SEIKO WATCHES
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Grand Seiko Spring Drive 8 Day Power Reserve SBGD001 for $74,950 for sale from a Trusted Seller on Chrono24
![Grand Seiko Spring Drive 8-Days and what's so "Seiko" about the Spring Drive technology - Monochrome Watches Grand Seiko Spring Drive 8-Days and what's so "Seiko" about the Spring Drive technology - Monochrome Watches](https://monochrome-watches.com/wp-content/uploads/2017/05/Grand-Seiko-Spring-Drive-8-Days-6341.jpg)