↑12.4%eBay asking prices. Condition and box/papers status not filtered.
Up 12% over the past 90 days
Based on eBay sales, last 12 months
Condition affects price
Pre-owned watches trade across a wide condition spectrum. These ranges are typical for the secondary market.
New Old Stock
Unworn example retaining original packaging, tags, and warranty documentation.
$6,499–$7,499
+30–50% vs median
Unpolished
Worn but the case has never been polished; original brushed and polished surfaces are intact.
$5,749–$6,249
+15–25% vs median
Polished
Case has been professionally or amateur polished at some point; edge definition is softened.
$4,249–$4,749
-15 to -5% vs median
Recently Serviced
Movement has been recently serviced with documented service records; case condition varies.
$4,999
At median
Movement tier: unclassified · caliber Grand Seiko Cal. 9S86 -- in-house hi-beat automatic with GMT, 36,000bph, 55h PR, 37j; independently adjustable GMT hand; dual-impulse escapement
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
40 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.
Not yet rated
Community + OSINT signals haven’t landed for this reference yet. We don’t publish a rating against zero signal — the number would mean nothing. Editorial body + caliber + market value still surface above; ratings appear once the signal corpus does.
White dial and Spring Drive GMT distinguish the SBGJ223; same authentication principles as SBGJ201
Known issues in the market
White dial variants are targets for dial-swap fraud using non-GMT or non-Spring Drive movements
Spring Drive seconds glide is the fastest authentication in person
Area
What to check
What is correct
Red flag
dial
White dial with GMT designation
Clean white dial; "Spring Drive" and "GMT" both signed; GMT hand tip color distinct from hour and minute hands; date at 3; luminous plots with correct Grand Seiko application
Missing either "Spring Drive" or "GMT"; dial color inconsistent with documented white variants; incorrect luminous plot shape
movement
Spring Drive 9R86 authentication
Identical to SBGJ201: glide motion, tri-synchro regulator, Grand Seiko signed rotor
Any stepping or ticking; wrong calibre; incorrect caseback engraving
case
Case and bezel condition
44GS case lines maintained; bezel insert free of chips; alternating surface finishes sharp
Polished case transitions; chipped or replaced bezel insert; case proportions inconsistent with 44GS
Authentication guide
Last reviewed June 2026
The SBGJ223 shares Cal. 9S86 with the SBGJ201 but uses a blue textured dial introduced in 2019. The blue dial has a physical grain that changes character at different light angles. Authentication protocol is identical to the SBGJ201 with the addition of dial texture verification.
Known reproduction risks
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MEDIUM
SBGJ201 silver dial in SBGJ223 case, or vice versa
Dial color that does not match the reference number on the caseback
Flat blue dial without the characteristic three-dimensional grain texture
SBGJ201 and SBGJ223 are closely related references sharing Cal. 9S86. The primary risk is a dial swap between the two, not a movement swap.
Dial variants by era
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Era
Description
Identifiers
2019 to present
Blue dial with a physical grain structure evoking the Shinshu highlands. The texture is applied to the dial substrate and produces three-dimensional depth.
Same as SBGJ201: bracelet clasp and GMT hand tip are common wear items.
White dials are sensitive to UV; inspect for yellowing near indices.
Expert resources: Grand Seiko boutique serial verification recommended on any SBGJ-series purchase. Calibre 9R86 is factory-service only.
Blue dial with physical grain texture visible under raking light
Applied GS indices with zaratsu mirror faces identical to the SBGJ201
24-hour outer ring and GMT hand in orange or red
"HI-BEAT 36000 GMT" text printed on the dial
The texture creates natural variation in the blue color across the dial surface
Service part flags
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Blue textured dial
Original: The dial texture is applied during manufacturing and is not a printed pattern. The grain has physical depth that responds to raking light with three-dimensional character.
Replacement tells
Blue dial that appears flat and uniform under raking light -- genuine texture has a three-dimensional grain
Any repeating pattern in the texture -- machine stamping produces regular repeats, genuine grain is irregular
SBGJ201 silver dial fitted to SBGJ223 case -- the reference number on caseback will not match
Case back markings
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2019 to present
SBGJ223 reference number
CAL. 9S86 and HI-BEAT 36000 GMT designations
10 BAR water resistance
Serial number in Seiko format
Grand Seiko lion medallion
Movement tells
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Cal. 9S86 service tells are identical to the SBGJ201. The 36,000 bph stepping, 55-hour power reserve, and double-impulse escapement apply equally.
