Grand Seiko 5722-9991
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The Grand Seiko 5722-9991 belongs to the second generation of Grand Seiko, known to collectors as the "Second," or by its factory code "57GS," a family that in 1967 added a practical date complication and a screw-down case back and crown, raising water resistance to 50 metres over the original 1960 line's simpler construction. Its 36.5 mm steel case carries a silver sunburst dial with multi-faceted bar indexes and dauphine hands, and the case back is stamped with the Grand Seiko medallion that replaced the lion crest of the first-generation reference 3180. Inside, the manual-winding caliber 5722B beats at a faster 19,800 vph (2.75 Hz) than its predecessor across 35 jewels, part of Seiko's push in the 1960s to match Swiss chronometer-grade accuracy in a domestic movement. (ARBITRO)
Isao Hashizume wears the reference as former prime minister Kyoichi Samejima in BG: Personal Bodyguard season 1, per costume-loan supplier Jackroad, which credits the pairing in its brand-ranking retrospective and, in its original per-episode post for the January 2018 broadcast, names Hashizume's character and the "Seiko / Grand Seiko" loan for that same episode. (Jackroad; Jackroad)
Appearances
| Title | Year | Type | Actor | Character |
|---|---|---|---|---|
| BG: Personal Bodyguard (2018) | 2018 | TV Series | Isao Hashizume | Kyoichi Samejima |