Side by side

Grand Seiko SBGA375vsSpinnaker Fleuss 40 Automatic

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

SBGA375
Grand SeikoSBGA375
MSRP $5,600
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

12 of 29 specs differ
Diameter
SBGA37540mm
Fleuss 40 Automatic40mm
Power Reserve
SBGA37572h
Fleuss 40 Automatic40h
Water Resistance
SBGA375100m
Fleuss 40 Automatic150m
MSRP
SBGA375$5,600
Fleuss 40 Automatic$450

Full specifications

Case

6 specs
Category
Dress
Diver
Thickness
12.5mm
11mm
Lug-to-Lug
46.2mm
47mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
150m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Coral

Movement

3 specs
Caliber
9R65
SII NH35A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,600
$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 SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

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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