Side by side

Grand Seiko SBGA481vsSpinnaker Dumas GMT

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

SBGA481
Grand SeikoSBGA481
MSRP $11,100
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

13 of 29 specs differ
Diameter
SBGA48144.5mm
Dumas GMT44mm
Power Reserve
SBGA48172h
Dumas GMT40h
Water Resistance
SBGA481200m
Dumas GMT300m
MSRP
SBGA481$11,100
Dumas GMT$399

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
44.5mm
44mm
Thickness
14.3mm
15mm
Lug-to-Lug
50mm
48mm
Lug Width
23mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Blue

Movement

3 specs
Caliber
9R65
Seiko NH34A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$11,100
$399

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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 SBGA481

Grand Seiko SBGA481 owners praise its light titanium case and sharp finishing, with one owner reporting it runs perfectly. Reviewers describe the SBGA481 as an unapologetically Grand Seiko creation with a unique hour hand and a "geeky, techy vibe" that some find daring. On balance, the consensus is that the Grand Seiko SBGA481 is a fun and daring watch that showcases the brand's distinctive design language.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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