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  1. Grand Seiko
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SBGM255

Grand Seiko

SBGM255

Also sold as SBGM255G

Availability unknown All SBGM references →
Caliber
9S66
Case diameter
39.5mm
Water resistance
Splash resistant
Power reserve
72h

Best price USD 4,920.00 eBay · Refurbished · 5 offers · checked 1 day ago

Grand Seiko SBGM255: caliber 9S66, 39.5 mm case, Splash resistant water resistance. 5 offers from USD 4,920.00.

Where to buy Last seen when we checked; prices change

5 offers from USD 4,920.00

Source Total
eBay from US · 2 weeks ago Used · USD 4,495.00 · Free USD 4,495.00 View offer
eBay from SG · 1 week ago arrives in 39–52 days Refurbished · USD 4,603.00 · Free USD 4,603.00 View offer
eBay from US · 1 day ago arrives in 4–10 days Refurbished · USD 4,920.00 · Free Best price USD 4,920.00 View offer
eBay from US · 1 day ago arrives in 2–6 days New · USD 4,929.00 · Free USD 4,929.00 View offer
eBay from JP · 2 weeks ago New · USD 4,943.59 · USD 0.01 USD 4,943.60 View offer
eBay from IT · 1 day ago New · USD 5,573.89 · Free USD 5,573.89 View offer
eBay from US · 2 weeks ago New · USD 5,600.00 · Free USD 5,600.00 View offer
eBay from JP · 1 day ago arrives in 9–13 days New · USD 5,696.16 · USD 0.01 USD 5,696.17 View offer
eBay from JP · 1 day ago Used · USD 5,790.00 · Free USD 5,790.00 View offer

Total shown does not include import duties or taxes — the marketplace did not report them for these listings. Cross-border orders may be charged on delivery.

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Specifications

Specifications from Grand Seiko, last seen 2026-09-21.

Movement

Caliber
9S66 All 9S66 watches →
Movement
Automatic
Power reserve
72h

Case & crystal

Case material
Stainless steel
Case diameter
39.5mm
Case thickness
14.1mm
Lug to lug
46.9mm
Lug width
19mm
Crystal
Box shaped sapphire crystal

Resistance

Water resistance
Splash resistant
Magnetic resistance
4,800 A/m

Catalogue

Family
SBGM
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SBGM255G G Crocodile leather Folding clasp with push button release 92g

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