Side by side

Glycine Airman GMT Dual TimevsSpinnaker Dumas GMT

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

Airman GMT Dual Time
GlycineAirman GMT Dual Time
MSRP $1,095
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

18 of 29 specs differ
Diameter
Airman GMT Dual Time42mm
Dumas GMT44mm
Power Reserve
Airman GMT Dual Time
Dumas GMT40h
Water Resistance
Airman GMT Dual Time200m
Dumas GMT300m
MSRP
Airman GMT Dual Time$1,095
Dumas GMT$399

Full specifications

Case

7 specs
Diameter
42mm
44mm
Thickness
13mm
15mm
Lug-to-Lug
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
Luminous
None

Movement

6 specs
Caliber
Seiko NH34A
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
5
25
Complications
GMT, Date, Dual Time
None

Pricing

1 specs
MSRP
$1,095
$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 Airman GMT Dual Time

The Glycine Airman GMT Dual Time is praised for its comfortable size, attractive aesthetics, blue AR-coated sapphire crystal, and value as a "grab 'n' go" quartz piece. Owners appreciate its classic pilot design and wearability, with some finding it fits well under a shirt cuff and looks more expensive on a mesh bracelet. However, some find the dual GMT hands redundant and less intuitive than a purist 24-hour dial, with the GMT hand's similarity to the minute hand causing frustration for some. Legibility is a concern for some owners, who note the dark Arabic numerals on the black dial can be hard to see in less than ideal light, though the luminous hands are considered amazing. On balance, owners and reviewers rate the Glycine Airman GMT Dual Time highly for its classic design and comfortable wearability, despite some legibility and GMT hand usability concerns.

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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