Side by side

Glycine Airman GMTvsSpinnaker Cahill Automatic

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

Airman GMT
GlycineAirman GMT
MSRP $2,950
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

18 of 29 specs differ
Diameter
Airman GMT46mm
Cahill Automatic42mm
Power Reserve
Airman GMT48h
Cahill Automatic40h
Water Resistance
Airman GMT100m
Cahill Automatic200m
MSRP
Airman GMT$2,950
Cahill Automatic$350

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
46mm
42mm
Thickness
12.18mm
13.7mm
Lug-to-Lug
51mm
Lug Width
24mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Green
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
$350

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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 Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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