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Home/Browse/Grand Seiko/SBGM221
Grand Seiko SBGM221 — SBGM221G
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Grand Seiko SBGM221

Ref. SBGM221G
GMT

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

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3 Variants
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Retail MSRP
$5,400
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Alternatives
Case
39.5mm
Power Reserve
72h
Movement
Automatic
Water Resistance
30m
Crystal
Sapphire + AR
01

Case Dimensions

Diameter39.5mm
Thickness13.7mm
Lug-to-Lug46.9mm
Lug Width19mm
02

Case Build

MaterialStainless Steel
Water Resistance30m
03

Crystal & Dial

CrystalSapphire
AR CoatingYes
Dial ColorSBGM221G
04

Movement

Caliber
9S66
TypeAutomatic
Beat Rate—
Power Reserve72 hours
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

Dial styleMatte
BezelFixed
Bracelet / strapLeather strap
HandsDauphine
AI-detected from product image · 5/22/2026
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