Side by side

Grand Seiko SBGP015vsSpinnaker Dumas GMT

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

SBGP015
Grand SeikoSBGP015
MSRP $3,800
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
SBGP01540mm
Dumas GMT44mm
Power Reserve
SBGP01540h
Dumas GMT40h
Water Resistance
SBGP015200m
Dumas GMT300m
MSRP
SBGP015$3,800
Dumas GMT$399

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
44mm
Thickness
12.4mm
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
9F85
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$3,800
$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 SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

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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