How much does the Grand Seiko SBGN027 cost?

The Grand Seiko SBGN027 has a manufacturer MSRP of $3,700 USD. On the secondary market it averages around —.

What movement does the Grand Seiko SBGN027 use?

The Grand Seiko SBGN027 is powered by the 9F86 quartz movement.

How big is the Grand Seiko SBGN027?

The case measures 39mm in diameter, 12.3mm thick, with a 45.9mm lug-to-lug.

What is the water resistance of the Grand Seiko SBGN027?

The Grand Seiko SBGN027 is rated to 200m of water resistance.

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Grand Seiko SBGN027

Name: Grand Seiko SBGN027
Brand: Grand Seiko
SKU: sbgn027g
Price: 3700 USD
Availability: InStock

Ref. SBGN027G

GMT

SBGN027

2 Variants

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Retail MSRP

$3,700

Low

—

Avg

—

High

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Static data

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Case

39mm

Power Reserve

—

Movement

Quartz

Water Resistance

200m

Crystal

—

Case Dimensions

Diameter39mm

Thickness12.3mm

Lug-to-Lug45.9mm

Lug Width19mm

Case Build

MaterialStainless Steel

Water Resistance200m

Crystal & Dial

AR CoatingYes

Dial ColorSBGN027G

Movement

Caliber

9F86

TypeQuartz

Beat Rate—

Power Reserve—

Jewels—

HackingNo

Hand-WindingNo

ComplicationsTime only

Design Language

Dial styleSunburst

Bezel24-hour (GMT)

Bracelet / strapLug-attached bracelet

HandsBaton

AI-detected from product image · 5/22/2026

In a nutshell

The Grand Seiko SBGN027 (ref. sbgn027g) is a quartz gmt watch, with a 39mm stainless steel case, 12.3mm thick, powered by the 9F86 movement. Water resistance is rated to 200m. Manufacturer MSRP is $3,700.

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

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