Side by side

Grand Seiko SBGH347vsSpinnaker Dumas Automatic

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

SBGH347
Grand SeikoSBGH347
MSRP $7,300
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
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 SBGH347

The Grand Seiko SBGH347 is lauded for its refined 37mm Ever-Brilliant Steel case, impressive Zaratsu polishing, and classy ice-blue dial inspired by frozen waterfalls. Its Hi-Beat 9S85 movement is a significant draw, and the framed date window is preferred over a cyclops. Reviewers note the bracelet lacks micro-adjustment or a quick-change system, and some wished the 13.3mm thickness was slightly thinner on the compact case. Overall, reviewers praise the Grand Seiko SBGH347 for its elevated finish and value, with the Hi-Beat movement being a significant draw.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

At a glance

12 of 29 specs differ
Diameter
SBGH34737mm
Dumas Automatic44mm
Power Reserve
SBGH34755h
Dumas Automatic40h
Water Resistance
SBGH347100m
Dumas Automatic300m
MSRP
SBGH347$7,300
Dumas Automatic$239

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
37mm
44mm
Thickness
13.3mm
15mm
Lug-to-Lug
44.6mm
48mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Blue

Movement

2 specs
Caliber
9S85
SII NH35A
Power Reserve
55h
40h

Pricing

1 specs
MSRP
$7,300
$239
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