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 $2,700
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

18 of 29 specs differ
Diameter
Airman GMT42mm
Dumas Automatic44mm
Power Reserve
Airman GMT48h
Dumas Automatic40h
Water Resistance
Airman GMT100m
Dumas Automatic300m
MSRP
Airman GMT$2,700
Dumas Automatic$239

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
42mm
44mm
Thickness
12mm
15mm
Lug-to-Lug
48mm
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

4 specs
Caliber
SW330-2
SII NH35A
Power Reserve
48h
40h
Jewels
21
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,700
$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 appreciate the Glycine Airman GMT's classic pilot design and consider it a well-built watch, with some noting the 39mm models offer perfect sizing and 200m water resistance. Reviewers praise the plexiglass crystal and matte dial, while some owners find the GMT hand visually similar to the minute hand, making it difficult to read. Accuracy from the Sellita-based movement is described as acceptable, though dial lume pips are noted as weaker than the hands. On balance, owners and reviewers value the Glycine Airman GMT for its faithful reproduction of a classic pilot watch design, despite some legibility concerns with the GMT hand.

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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