Side by side

Glycine Combat Sub Sport GMTvsGrand Seiko SLGA015

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

Combat Sub Sport GMT
GlycineCombat Sub Sport GMT
MSRP $2,995
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

18 of 29 specs differ
Diameter
Combat Sub Sport GMT42mm
SLGA01543.8mm
Power Reserve
Combat Sub Sport GMT48h
SLGA015120h
Water Resistance
Combat Sub Sport GMT200m
SLGA015200m
MSRP
Combat Sub Sport GMT$2,995
SLGA015$12,600

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
42mm
43.8mm
Thickness
10.85mm
13.8mm
Lug-to-Lug
51.5mm
Lug Width
22mm
23mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
SW330-2
9RA5
Type
Automatic
Spring Drive
Power Reserve
48h
120h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,995
$12,600

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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.

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 SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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