Side by side

Glycine Combat Sub Sport GMTvsSpinnaker Dumas GMT

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
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

17 of 29 specs differ
Diameter
Combat Sub Sport GMT42mm
Dumas GMT44mm
Power Reserve
Combat Sub Sport GMT
Dumas GMT40h
Water Resistance
Combat Sub Sport GMT200m
Dumas GMT300m
MSRP
Combat Sub Sport GMT$1,295
Dumas GMT$399

Full specifications

Case

7 specs
Diameter
42mm
44mm
Thickness
11mm
15mm
Lug-to-Lug
48mm
Material
Rose Gold
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied

Movement

6 specs
Caliber
RONDA 515.24H
Seiko NH34A
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$1,295
$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.

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.

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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