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Grand Seiko

Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385

The Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition (reference SBGA385) is a 40 mm platinum watch with a silver dial. It runs on the spring Drive caliber 9R15 and is water resistant to 100 m. It was introduced in 2018.

Specifications

Case

Reference
SBGA385
Collection
Spring Drive
Case size
40 mm
Thickness
12.5 mm
Case material
Platinum
Water resistance
100 m
Bracelet / strap
Bracelet

Dial and bezel

Dial
Silver

Movement

Movement
Spring Drive
Caliber
9R15

Production

Production
2018 – today (limited)

Dial versions

This reference was made with these dials and finishes.

  • SBGA385 Silver

    Matte; Kirazuri

How it compares within the Spring Drive family

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

ReferenceSizeMaterialDialCaliberYears
SBGA385 (This watch)40 mmPlatinumSilver9R152018–
SBGA24141 mmTitaniumBlack9R65—
SBGA29239 mmPink goldWhite——
SBGC20443.5 mmPink goldSilver9R86—
SBGC21946.4 mmTitanium / CeramicBlue9R96—
SBGD00143 mmPlatinumWhite9R012016–2017
SBGD20543 mmPlatinumSilver9R012020–
SBGD20743 mmPlatinumGreen9R012021–
SBGE00144 mmStainless steelBlack9R662011–

About the Spring Drive family

Spring Drive is Grand Seiko's hybrid movement: a mainspring powers the watch as in a mechanical movement, but the speed is controlled by a quartz crystal and an electromagnetic brake, which gives high accuracy and a seconds hand that glides without ticking. Grand Seiko has used it since 2004.

The references listed here use calibers including the 9R65 and 9R66, the 9R86 chronograph, the 9R15 and the eight-day 9R01, in steel, titanium, gold and platinum. Buyers value the full set, and a service from Grand Seiko is recommended for these movements.

Quick answers

What size is the Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385?
The Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385 has a 40 mm case, 12.5 mm thick.
What movement does the Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385 use?
It uses the spring drive caliber 9R15.
How water resistant is the Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385?
It is water resistant to 100 metres.
Is the Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385 still in production?
Limited.
When did the Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385 come out?
It was introduced in 2018.
What is the Grand Seiko Grand Seiko Spring Drive U.S. Limited Edition SBGA385 made of?
The case is platinum. Bracelet or strap: Bracelet.

Catalog facts checked October 2026.