Side by side

Fortis Marinemaster M-40vsGlycine Airman GMT Dual Time

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

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
Airman GMT Dual Time
GlycineAirman GMT Dual Time
MSRP $1,095

At a glance

18 of 29 specs differ
Diameter
Marinemaster M-4040mm
Airman GMT Dual Time42mm
Power Reserve
Marinemaster M-4038h
Airman GMT Dual Time
Water Resistance
Marinemaster M-40300m
Airman GMT Dual Time200m
MSRP
Marinemaster M-40$3,520
Airman GMT Dual Time$1,095

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
42mm
Lug Width
21mm
22mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Orange
Blue
Indices
Applied
Lume
None
Luminous

Movement

6 specs
Caliber
Sellita SW220-1
Type
Automatic
Quartz
Beat Rate
28,800 vph
Power Reserve
38h
Jewels
26
5
Complications
None
GMT, Date, Dual Time

Pricing

1 specs
MSRP
$3,520
$1,095

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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.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

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.

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