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![Horology 101] An overview of Grand Seiko movements: Spring Drive and Hi-Beat - Watch I Love](https://i0.wp.com/storage.googleapis.com/stateless-watchilove-com/2018/10/sbga011-2.jpeg?fit=1125%2C1399&ssl=1 "Horology 101] An overview of Grand Seiko movements: Spring Drive and Hi-Beat - Watch I Love")
Horology 101] An overview of Grand Seiko movements: Spring Drive and Hi-Beat - Watch I Love
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![Grand Seiko Spring Drive] A deep respect for accuracy: 30 days, less than 1 second off : r/Watches](https://preview.redd.it/ehfl0vlht7141.jpg?width=640&crop=smart&auto=webp&s=947eb5bcbe9106d6ddd5aaced1ecb731e43bff2c "Grand Seiko Spring Drive] A deep respect for accuracy: 30 days, less than 1 second off : r/Watches")
Grand Seiko Spring Drive] A deep respect for accuracy: 30 days, less than 1 second off : r/Watches
