Side by side

Glycine Combat Sub Sport GMTvsGrand Seiko SBGN027

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 $1,295
SBGN027
Grand SeikoSBGN027
MSRP $3,700

At a glance

17 of 29 specs differ
Diameter
Combat Sub Sport GMT42mm
SBGN02739mm
Power Reserve
Combat Sub Sport GMT
SBGN02740h
Water Resistance
Combat Sub Sport GMT200m
SBGN027200m
MSRP
Combat Sub Sport GMT$1,295
SBGN027$3,700

Full specifications

Case

7 specs
Diameter
42mm
39mm
Thickness
11mm
12.3mm
Lug-to-Lug
45.9mm
Lug Width
22mm
19mm
Material
Rose Gold
Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Blue
Black
Indices
Applied

Movement

5 specs
Caliber
RONDA 515.24H
9F86
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$1,295
$3,700

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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 refined feel and sleek wearability, with many noting its thin profile and downward-curving lugs contribute to comfort. Reviewers and owners alike highlight its exceptional value and solid build quality. Some owners report the lume is sub-par, and one noted a slightly off-color lume pip on the chapter ring. Accuracy figures vary, with one owner achieving +1 second per day after regulation, while another found the stock beat error acceptable for the price. The power reserve can be inconsistent, and the lack of a date cyclops is a minor drawback for some. On balance, owners rate the Glycine Combat Sub Sport GMT highly for its impressive thinness and refined aesthetic at its price point.

Grand Seiko SBGN027

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

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