Side by side

Grand Seiko SBGN027vsSpinnaker Fleuss 40 Automatic

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

SBGN027
Grand SeikoSBGN027
MSRP $3,700
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

12 of 29 specs differ
Diameter
SBGN02739mm
Fleuss 40 Automatic40mm
Power Reserve
SBGN02740h
Fleuss 40 Automatic40h
Water Resistance
SBGN027200m
Fleuss 40 Automatic150m
MSRP
SBGN027$3,700
Fleuss 40 Automatic$450

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39mm
40mm
Thickness
12.3mm
11mm
Lug-to-Lug
45.9mm
47mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Coral

Movement

2 specs
Caliber
9F86
SII NH35A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$3,700
$450

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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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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