Side by side

Grand Seiko SBGE253vsSpinnaker Dumas GMT

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

SBGE253
Grand SeikoSBGE253
MSRP $6,900
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
SBGE25340.5mm
Dumas GMT44mm
Power Reserve
SBGE25372h
Dumas GMT40h
Water Resistance
SBGE253200m
Dumas GMT300m
MSRP
SBGE253$6,900
Dumas GMT$399

Full specifications

Case

6 specs
Diameter
40.5mm
44mm
Thickness
14.7mm
15mm
Lug-to-Lug
48.7mm
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

3 specs
Caliber
9R66
Seiko NH34A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$6,900
$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 SBGE253

Grand Seiko SBGE253 owners widely praise its 40.5mm stainless steel case, Zaratsu polishing, and the Spring Drive Calibre 9R66 movement, noting its exceptional accuracy of ±1 second per day or ±15 seconds per month and a 72-hour power reserve. The watch is considered versatile with its black dial and a true GMT complication, and the bracelet clasp is specifically lauded for its comfortable, wrist-contouring design. Some reviewers find the power reserve indicator placement cluttered, while others dislike the fixed bezel and repeated numbers on the rehaut and bezel. The Grand Seiko SBGE253 is available new for around $4k from Japanese dealers, a significant discount off MSRP. On balance, owners and reviewers rate the Grand Seiko SBGE253 highly for its blend of high-end finishing, accurate Spring Drive GMT movement, and comfortable wearability.

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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