Side by side

Fortis Marinemaster M-40vsYema Wristmaster Slim Small Seconds CMM.29

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
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
Marinemaster M-4038h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
Marinemaster M-40300m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
Marinemaster M-40$3,520
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
40mm
39mm
Thickness
13mm
9mm
Lug Width
21mm
20mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
Black

Movement

3 specs
Caliber
Sellita SW220-1
Yema CMM.29
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$2,249

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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 Wristmaster Slim Small Seconds CMM.29

Owners widely praise the Yema Wristmaster Slim Small Seconds CMM.29 for its slim 9.5mm case, unique nature-inspired dial, and brushed steel finish. The micro-rotor movement is noted for its 4Hz beat rate and 42-hour power reserve, regulated to -/+ 10 seconds per day. Some owners report concerns regarding the movement and warranty process, while a reviewer questioned the value proposition at its price point and noted minor finishing inconsistencies on a prototype. On balance, the Yema Wristmaster Slim Small Seconds CMM.29 is highly regarded by owners for its distinctive design and comfortable wearability.

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