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Grand Seiko

Grand Seiko Sport GMT SBGJ237

Grand Seiko Sport GMT SBGJ237 — Automatic, Stainless steel, 44.2mm.

EDITORIAL OVERVIEW

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Brand
Grand Seiko
Material
Stainless steel
Size notes
Case dimensions: 44.2mm
Checked
2026-09-12

Source-based editorial notes. Not hands-on testing or authentication.

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Reference overview

Grand Seiko Sport GMT SBGJ237 — Automatic, Stainless steel, 44.2mm.

Reference: SBGJ237 · Movement: Automatic · Caliber / processor: 9S86 · Rated water resistance: 20 bar · Power reserve: 55 h

Materials: Stainless steel

Case dimensions: 44.2mm

Before choosing

Compare the exact reference, dimensions and servicing needs before choosing. A water-resistance rating is a laboratory specification; follow the manufacturer’s activity and maintenance instructions.

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Independent editorial summary of manufacturer information. No hands-on test, score or authentication verdict.

Official source — Grand Seiko

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