Side by side

Grand Seiko SBGE277vsTissot Seastar 1000 Powermatic 80 GMT

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

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 SBGE277

Owners find the Grand Seiko SBGE277 gorgeous, with one owner noting their wrist size can accommodate it. The watch was purchased in Japan for $4950 USD, benefiting from a 35-year low yen. One owner expresses significant concern over reported negative experiences with the brand's New Jersey service center, fearing long wait times and subpar treatment. On balance, owners find the Grand Seiko SBGE277 gorgeous, though service center experiences are a notable concern for some.

From video reviewers

The Spring Drive movement's accuracy and smooth seconds hand are consistently praised. Reviewers also note the exceptional dial and hand finishing. No shared weaknesses were identified across the reviews.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

At a glance

13 of 29 specs differ
Diameter
SBGE27744mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
SBGE27772h
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
SBGE277200m
Seastar 1000 Powermatic 80 GMT300m
MSRP
SBGE277$6,800
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

5 specs
Diameter
44mm
46mm
Thickness
14.7mm
15.4mm
Lug-to-Lug
50.8mm
Lug Width
21mm
22mm
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
Domed
Dial Color
Black
Indices
Indexes
Lume
None
Super-LumiNova ®

Movement

3 specs
Caliber
Grand Seiko 9R66
Tissot Powermatic 80
Type
Spring Drive
Automatic
Power Reserve
72h
80h

Pricing

1 specs
MSRP
$6,800
$1,375
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