Side by side

Glycine Airman Worldtimer GMTvsSpinnaker Dumas GMT

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

Airman Worldtimer GMT
GlycineAirman Worldtimer GMT
MSRP $1,395
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

18 of 29 specs differ
Diameter
Airman Worldtimer GMT42mm
Dumas GMT44mm
Power Reserve
Airman Worldtimer GMT
Dumas GMT40h
Water Resistance
Airman Worldtimer GMT100m
Dumas GMT300m
MSRP
Airman Worldtimer GMT$1,395
Dumas GMT$399

Full specifications

Case

7 specs
Diameter
42mm
44mm
Thickness
14mm
15mm
Lug-to-Lug
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Blue
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
Date, World Time
None

Pricing

1 specs
MSRP
$1,395
$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 Worldtimer GMT

Owners widely appreciate the Glycine Airman Worldtimer GMT for its comfortable 40mm size, attractive aesthetics, and value, particularly when found under $300. Some owners find the dual 12-hour and 24-hour dial and bezel useful for tracking three time zones, while others prefer a simpler 24-hour dial. One owner noted the GMT hand can be mistaken for the minute hand and that the ETA movement can have a misaligned GMT hand. On balance, owners value the Glycine Airman Worldtimer GMT for its comfortable wearability and strong value proposition.

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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