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 $2,750
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

17 of 29 specs differ
Diameter
Airman GMT44mm
Reef 39.5 mm39.5mm
Power Reserve
Airman GMT48h
Reef 39.5 mm56h
Water Resistance
Airman GMT100m
Reef 39.5 mm300m
MSRP
Airman GMT$2,750
Reef 39.5 mm$2,230

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
44mm
39.5mm
Thickness
12mm
11mm
Lug-to-Lug
45.5mm
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Silver
Bahama Blue
Indices
Applied
Lume
Luminous
Super-LumiNova

Movement

4 specs
Caliber
SW330-2
Sellita SW300-1
Power Reserve
48h
56h
Jewels
21
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,750
$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 some finding the 42mm size appropriate for its functionality. A reviewer notes the polished GMT hand can be difficult to read and lacks lume, while one owner reported an ETA movement with a misaligned GMT hand. Another owner finds the lume pips weaker than the hands.

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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