Side by side

Fortis Marinemaster M-40vsMr Jones Watches K9

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
K9
Mr Jones WatchesK9
MSRP $225

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
K9
Power Reserve
Marinemaster M-4038h
K940h
Water Resistance
Marinemaster M-40300m
K9
MSRP
Marinemaster M-40$3,520
K9$225

Full specifications

Case

5 specs
Category
Diver
Casual
Diameter
40mm
Thickness
13mm
Lug Width
21mm
Water Resistance
300m

Crystal & Dial

1 specs
Dial Color
Orange
Limited edition

Movement

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

Pricing

1 specs
MSRP
$3,520
$225

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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.

Mr Jones Watches K9

Owners widely report the Mr Jones Watches K9 is a fun, quirky, and unique artistic piece that serves as a conversation starter, with some noting reliable movements and solid customer support. However, some owners found the build quality lacking, reporting issues with misaligned hands and needing to return their watches multiple times, while others find them difficult to read and question the value at full price. On balance, owners view the Mr Jones Watches K9 as a well-made artistic statement, with its unique design being the primary draw despite potential readability and build quality concerns.

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