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Grand Seiko

Grand Seiko Grand Seiko Quartz SBGX238

The Grand Seiko Grand Seiko Quartz (reference SBGX238) is a 36.5 mm watch with a silver dial. It runs on the quartz caliber 9F61 and is water resistant to 100 m.

Specifications

Case

Reference
SBGX238
Collection
Quartz
Case size
36.5 mm
Thickness
10.4 mm
Water resistance
100 m
Bracelet / strap
Crocodile leather strap

Dial and bezel

Dial
Silver

Movement

Movement
Quartz
Caliber
9F61

Dial versions

This reference was made with these dials and finishes.

  • SBGX238 Silver

    Sunburst

How it compares within the Quartz family

Side by side with other references in the same collection, from the catalog.

ReferenceSizeMaterialDialCaliberYears
SBGX238 (This watch)36.5 mm—Silver9F61—
SBGT24139.1 mmStainless steelSilver9F832018–
SBGV22940 mmTitaniumSilver9F82—
SBGV23840 mmStainless steel with yellow goldSilver9F822018–
SBGX20236.5 mmStainless steel with yellow goldSilver9F62—
SBGX20536.5 mmStainless steelSilver9F62—
SBGX20936.5 mmStainless steel—9F61—
SBGX21835.5 mmYellow goldChampagne9F62—
SBGX21935.7 mmWhite goldSilver9F62—

About the Quartz family

This grouping covers Grand Seiko's quartz watches. The 9F caliber, introduced in 1993, is built to a much higher standard than ordinary quartz, with an accuracy of around ten seconds a year, a mechanism that moves the date instantly and a stronger motor to drive the hands.

The references here use calibers 9F61, 9F62, 9F82 and 9F83, including GMT models, in steel, titanium and gold. Grand Seiko recommends regular servicing for these movements too, so buyers ask about the last battery change and service.

Quick answers

What size is the Grand Seiko Grand Seiko Quartz SBGX238?
The Grand Seiko Grand Seiko Quartz SBGX238 has a 36.5 mm case, 10.4 mm thick.
What movement does the Grand Seiko Grand Seiko Quartz SBGX238 use?
It uses the quartz caliber 9F61.
How water resistant is the Grand Seiko Grand Seiko Quartz SBGX238?
It is water resistant to 100 metres.

Catalog facts checked October 2026.