Side by side

Glycine Airman GMT Dual TimevsFormex Reef 39.5 mm

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

Airman GMT Dual Time
GlycineAirman GMT Dual Time
MSRP $1,095
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

19 of 29 specs differ
Diameter
Airman GMT Dual Time42mm
Reef 39.5 mm39.5mm
Power Reserve
Airman GMT Dual Time
Reef 39.5 mm56h
Water Resistance
Airman GMT Dual Time200m
Reef 39.5 mm300m
MSRP
Airman GMT Dual Time$1,095
Reef 39.5 mm$2,230

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
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
Blue
Bahama Blue
Indices
Applied
Lume
Luminous
Super-LumiNova

Movement

6 specs
Caliber
Sellita SW300-1
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
56h
Jewels
5
25
Complications
GMT, Date, Dual Time
None

Pricing

1 specs
MSRP
$1,095
$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 Dual Time

The Glycine Airman GMT Dual Time is praised for its comfortable size, attractive aesthetics, blue AR-coated sapphire crystal, and value as a "grab 'n' go" quartz piece. Owners appreciate its classic pilot design and wearability, with some finding it fits well under a shirt cuff and looks more expensive on a mesh bracelet. However, some find the dual GMT hands redundant and less intuitive than a purist 24-hour dial, with the GMT hand's similarity to the minute hand causing frustration for some. Legibility is a concern for some owners, who note the dark Arabic numerals on the black dial can be hard to see in less than ideal light, though the luminous hands are considered amazing. On balance, owners and reviewers rate the Glycine Airman GMT Dual Time highly for its classic design and comfortable wearability, despite some legibility and GMT hand usability concerns.

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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