Side by side

Glycine Airman GMTvsFormex Reef 39.5 mm

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

Airman GMT
GlycineAirman GMT
MSRP $1,295
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

19 of 29 specs differ
Diameter
Airman GMT45mm
Reef 39.5 mm39.5mm
Power Reserve
Airman GMT
Reef 39.5 mm56h
Water Resistance
Airman GMT200m
Reef 39.5 mm300m
MSRP
Airman GMT$1,295
Reef 39.5 mm$2,230

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
45mm
39.5mm
Thickness
13mm
11mm
Lug-to-Lug
45.5mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Bahama Blue
Indices
Applied
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
Sellita SW300-1
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
56h
Jewels
1
25
Complications
GMT
None

Pricing

1 specs
MSRP
$1,295
$2,230

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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 ability to track three time zones with an easy-to-read dial layout. However, some owners find the GMT hand visually similar to the minute hand, suggesting a red paint for better distinction, a sentiment echoed by reviewers who note the thin, unlumed GMT hand can be hard to read against the black dial. One owner praises the 39mm sizing and 200m water resistance of a related model, noting its good build and finishing from when Glycine was independent. On balance, owners and reviewers find the Glycine Airman GMT offers practical multi-time zone tracking, though legibility of the GMT hand is a recurring point of discussion.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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