Side by side

Glycine Combat Sub Sport GMTvsGrand Seiko SBGE277

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.

Glycine Combat Sub Sport GMT

Owners widely praise the Glycine Combat Sub Sport GMT for its solid build, slim wearability, and value, with many noting its comfortable fit due to curved lugs and thin case. Reviewers highlight its classic design, unique dial, and legible date window, while some owners report excellent bezel action and accuracy under +1 second per day after regulation. A minor criticism is a slightly off-color lume pip on the chapter ring, and one owner notes sub-par lume and inconsistent power reserve not always reaching 42 hours. On balance, owners and reviewers rate the Glycine Combat Sub Sport GMT highly for its comfortable wearability and value at the price point.

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.

At a glance

18 of 29 specs differ
Diameter
Combat Sub Sport GMT42mm
SBGE27744mm
Power Reserve
Combat Sub Sport GMT48h
SBGE27772h
Water Resistance
Combat Sub Sport GMT200m
SBGE277200m
MSRP
Combat Sub Sport GMT$2,995
SBGE277$6,800

Full specifications

Case

6 specs
Diameter
42mm
44mm
Thickness
10.85mm
14.7mm
Lug-to-Lug
50.8mm
Lug Width
22mm
21mm
Finish
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Yes
Dial Color
Blue
Indices
Lume
Luminous
None

Movement

6 specs
Caliber
Sellita SW330-2
Grand Seiko 9R66
Type
Automatic
Spring Drive
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
72h
Jewels
25
0
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,995
$6,800
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Glycine Combat Sub Sport GMT vs Grand Seiko SBGE277 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.