Side by side

Glycine Airman GMTvsZelos Spearfish GMT

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

Airman GMT
GlycineAirman GMT
MSRP $2,950
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

17 of 29 specs differ
Diameter
Airman GMT46mm
Spearfish GMT40mm
Power Reserve
Airman GMT48h
Spearfish GMT40h
Water Resistance
Airman GMT100m
Spearfish GMT200m
MSRP
Airman GMT$2,950
Spearfish GMT$999

Full specifications

Case

8 specs
Diameter
46mm
40mm
Thickness
12.18mm
13mm
Lug-to-Lug
40mm
Lug Width
24mm
20mm
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
Frost
Indices
Applied
Lume
Luminous
None

Movement

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

Pricing

1 specs
MSRP
$2,950
$999

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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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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