Side by side

Fortis Marinemaster M-40vsGlycine Airman SST GMT

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 SST GMT
GlycineAirman SST GMT
MSRP $3,400

At a glance

17 of 29 specs differ
Diameter
Marinemaster M-4040mm
Airman SST GMT43mm
Power Reserve
Marinemaster M-4038h
Airman SST GMT48h
Water Resistance
Marinemaster M-40300m
Airman SST GMT200m
MSRP
Marinemaster M-40$3,520
Airman SST GMT$3,400

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
43mm
Thickness
13mm
11.6mm
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
Grey
Indices
Applied
Lume
None
Luminous

Movement

4 specs
Caliber
Sellita SW220-1
SW330-2
Power Reserve
38h
48h
Jewels
26
25
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$3,520
$3,400

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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 SST GMT

Owners praise the Glycine Airman SST GMT for its comfortable wear, good build quality, accuracy, lume, and historical significance. The 24-hour dial and compressor-style GMT ring are noted as great features. One owner found the Sellita SW330 movement authentic, though expected Glycine branding on the rotor. The dial is considered busy, and one owner experienced the watch stopping after a day on a winder with a rattling rotor, suggesting service. On balance, owners rate the Glycine Airman SST GMT highly for its comfortable wear and historical significance.

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