Side by side

Fortis Marinemaster M-40vsNOMOS Glashütte Tangomat 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
Tangomat GMT
NOMOS GlashütteTangomat GMT
MSRP $5,740

At a glance

15 of 29 specs differ
Diameter
Marinemaster M-4040mm
Tangomat GMT40mm
Power Reserve
Marinemaster M-4038h
Tangomat GMT42 hoursh
Water Resistance
Marinemaster M-40300m
Tangomat GMT30m
MSRP
Marinemaster M-40$3,520
Tangomat GMT$5,740

Full specifications

Case

7 specs
Category
Diver
GMT
Thickness
13mm
10.9mm
Lug-to-Lug
50.5mm
Lug Width
21mm
20mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Orange
White
Indices
Applied

Movement

3 specs
Caliber
Sellita SW220-1
DUW 5201
Beat Rate
28,800 vph
21,600 vph
Power Reserve
38h
42 hoursh

Pricing

1 specs
MSRP
$3,520
$5,740

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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.

NOMOS Glashütte Tangomat GMT

Owners and reviewers widely praise the NOMOS Glashütte Tangomat GMT for its elegant Bauhaus design, detailed finishing, and true in-house GMT movement, with many considering it excellent value. The watch's simplicity and user-friendly world time dial are highlighted as refreshing departures from busy designs. Some owners find the 40mm case wears larger than expected, and the GMT function, which uses a disk adjusted by a pusher, is noted as requiring manual adjustment and can be less convenient than a traditional hour hand for some users. One owner reported a daily accuracy drift of 25-35 seconds, while another experienced accidental pressing of the timezone pusher. On balance, owners and reviewers rate the NOMOS Glashütte Tangomat GMT highly for its unique in-house GMT complication and refined aesthetic at an accessible price point.

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