A classic vintage Grand Seiko from the early 1970s, the ref. 5645-7010 represents the brand’s pursuit of precision and understated design during the mechanical high-beat era. With its sharp case lines, clean silver dial, and iconic GS detailing, this model is a timeless example of Japanese watchmaking excellence.
Details:
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Reference: 5645-7010
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Year: ca 1973
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Case Size: 36mm, stainless steel
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Dial: Silver dial with applied indices and framed date window
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Movement: Grand Seiko Caliber 5645, automatic hi-beat 28,800 vph with quickset date and day
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Crystal: Hardlex
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Bracelet: Stainless steel GS bracelet with signed clasp
Set Includes:
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Original Grand Seiko box
Condition:
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Very good vintage condition overall
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Case shows honest signs of age with visible hairlines consistent with careful use
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Dial clean and well preserved with clear printing and intact indices
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Bracelet in good condition with functioning clasp
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Running well with date and day functions operating correctly
The Caliber 5645 is part of Grand Seiko’s respected hi-beat lineage, offering smooth operation and robust performance, making this 5645-7010 a highly attractive piece for collectors seeking an authentic vintage GS with original box.
