Side by side

Fortis Marinemaster M-40vsGlycine Airman No. 1 Purist

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 No. 1 Purist
GlycineAirman No. 1 Purist
MSRP $2,800

At a glance

17 of 29 specs differ
Diameter
Marinemaster M-4040mm
Airman No. 1 Purist36mm
Power Reserve
Marinemaster M-4038h
Airman No. 1 Purist48h
Water Resistance
Marinemaster M-40300m
Airman No. 1 Purist30m
MSRP
Marinemaster M-40$3,520
Airman No. 1 Purist$2,800

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
36mm
Thickness
13mm
11.6mm
Lug Width
21mm
20mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$3,520
$2,800

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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 No. 1 Purist

The Glycine Airman No. 1 Purist is praised as a faithful re-creation of a historical 24-hour watch, with one owner purchasing it for $620 and viewing it as a long-term keeper due to its heritage reissue status and vintage aesthetics. The 36mm size is noted as a conversation starter. However, the acrylic crystal is prone to scratching, with one example showing a small scratch over the date window. Some community members suggest pre-Invicta models may hold value better. Overall, owners appreciate the Glycine Airman No. 1 Purist for its authentic vintage appeal and unique dial, though the acrylic crystal requires careful handling.

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