Side by side

Grand Seiko SBGN027vsGrand Seiko SBGX359

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

SBGN027
Grand SeikoSBGN027
MSRP $3,700
SBGX359
Grand SeikoSBGX359

At a glance

8 of 29 specs differ
Diameter
SBGN02739mm
SBGX35933mm
Power Reserve
SBGN02740h
SBGX35940h
Water Resistance
SBGN027200m
SBGX359100m
MSRP
SBGN027$3,700
SBGX359

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
39mm
33mm
Thickness
12.3mm
9.1mm
Lug-to-Lug
45.9mm
39.7mm
Lug Width
19mm
15mm
Water Resistance
200m
100m

Movement

1 specs
Caliber
9F86
9F51

Pricing

1 specs
MSRP
$3,700

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SBGN027

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.

Grand Seiko SBGX359

The Grand Seiko SBGX359 is lauded for its technically advanced 9F51 quartz movement, enabling a compact 33mm x 9.1mm stainless steel case and offering ±10 seconds per year accuracy. Reviewers highlight the refined finishing of its Snowflake dial and 100 meters of water resistance. However, it comes with a US$3,200 price tag, representing a $500 increase over prior 9F models. Overall, reviewers praise the Grand Seiko SBGX359 for its compact dimensions and precise quartz movement at the specified price point.

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