Side by side

Fortis Marinemaster M-40vsYema Superman Worldtime 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
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

9 of 29 specs differ
Diameter
Marinemaster M-4040mm
Superman Worldtime GMT39mm
Power Reserve
Marinemaster M-4038h
Superman Worldtime GMT40h
Water Resistance
Marinemaster M-40300m
Superman Worldtime GMT300m
MSRP
Marinemaster M-40$3,520
Superman Worldtime GMT$1,549

Full specifications

Case

4 specs
Category
Diver
GMT
Diameter
40mm
39mm
Thickness
13mm
Lug Width
21mm
20mm

Crystal & Dial

1 specs
Dial Color
Orange
39mm Automatic

Movement

3 specs
Caliber
Sellita SW220-1
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$1,549

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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.

Yema Superman Worldtime GMT

Owners widely praise the Yema Superman Worldtime GMT for its premium feel, unique bezel-lock mechanism, and attractive domed crystal. Some owners note the aluminum bezel insert is less desirable than ceramic and report the bracelet clasp can be stiff or difficult to open. Inconsistent quality control and poor customer service have been flagged by some owners. On balance, owners value the Yema Superman Worldtime GMT for its distinctive features and comfortable wearability.

From video reviewers

The "Coke" bezel and maxi dial are attractive design elements. The in-house automatic GMT movement is a French alternative to pricier GMTs.

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