Side by side

Grand Seiko SBGV245vsSpinnaker Dumas GMT

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

SBGV245
Grand SeikoSBGV245
MSRP $3,000
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
SBGV24540mm
Dumas GMT44mm
Power Reserve
SBGV24540h
Dumas GMT40h
Water Resistance
SBGV245200m
Dumas GMT300m
MSRP
SBGV245$3,000
Dumas GMT$399

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
44mm
Thickness
11.8mm
15mm
Lug-to-Lug
47.1mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Blue

Movement

2 specs
Caliber
9F82
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$3,000
$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 SBGV245

Grand Seiko SBGV245 owners widely praise its exceptional case finishing with mixed polishing and brushing, faceted indices, sharp hands, and matte dial, noting its robust tool-watch specifications including 200m water resistance, anti-magnetism, and Lumibrite. The 9F82 quartz movement is lauded for its precision, accurate to +/- 10 seconds per year, offering a refined, set-it-and-forget-it experience with carefree maintenance. Some owners report the Zaratsu polished surfaces and sharp bezel are prone to dings and scratches, and one notes the second hand does not perfectly align with the markers. This JDM-exclusive Grand Seiko SBGV245 is rarely available and commands a high price even on the resale market. Overall, owners rate the Grand Seiko SBGV245 highly for its exceptional finishing and technical innovation at a competitive price point.

From video reviewers

The 9F Quartz movement is a high-precision quartz movement with a 50-year lifespan. The watch's exceptional finishing is another level, with reviewers praising its high-quality craftsmanship. The watch's lug width of 20mm might be a drawback for those with smaller wrists or limited strap options, and the lume brightness is somewhat lacking.

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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