Side by side

Glycine Airman GMTvsSpinnaker Dumas Automatic

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

Airman GMT
GlycineAirman GMT
MSRP $2,950
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

18 of 29 specs differ
Diameter
Airman GMT46mm
Dumas Automatic44mm
Power Reserve
Airman GMT48h
Dumas Automatic40h
Water Resistance
Airman GMT100m
Dumas Automatic300m
MSRP
Airman GMT$2,950
Dumas Automatic$239

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
46mm
44mm
Thickness
12.18mm
15mm
Lug-to-Lug
48mm
Lug Width
24mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
SW330-2
SII NH35A
Power Reserve
48h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,950
$239

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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

Owners widely praise the Glycine Airman GMT for its value and classic design, with specific appreciation for its 39mm sizing, 200m water resistance, and beefy signed crowns. Reviewers highlight its faithful re-issue nature, retaining vintage features like the plexiglass crystal and locking friction bezel with a thumbscrew crown, while some owners note its subtle blue degrade dial and red-tipped GMT hand. Accuracy from its Sellita-based automatic movement is described as acceptable, though some owners find the dual 12-hour and 24-hour scales confusing and the slim GMT hand difficult to read. On balance, enthusiasts and reviewers rate the Glycine Airman GMT highly for its vintage charm and robust build at its price point.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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