Side by side

Fortis Marinemaster M-40vsHamilton Jazzmaster Thinline Auto

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
Jazzmaster Thinline Auto
HamiltonJazzmaster Thinline Auto
MSRP $1,145

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Jazzmaster Thinline Auto40mm
Power Reserve
Marinemaster M-4038h
Jazzmaster Thinline Auto42h
Water Resistance
Marinemaster M-40300m
Jazzmaster Thinline Auto50m
MSRP
Marinemaster M-40$3,520
Jazzmaster Thinline Auto$1,145

Full specifications

Case

5 specs
Category
Diver
Dress
Thickness
13mm
8.45mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Water Resistance
300m
50m

Crystal & Dial

1 specs
Dial Color
Orange
Beige

Movement

3 specs
Caliber
Sellita SW220-1
2892-A2
Power Reserve
38h
42h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$1,145

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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.

Hamilton Jazzmaster Thinline Auto

Owners widely praise the Hamilton Jazzmaster Thinline Auto for its gorgeous, stunning, and captivating dials, particularly the champagne and burgundy variants, and its thin, comfortable profile, often noted at around 7mm to 8.4mm, making it ideal for wearability under shirt cuffs. The ETA 2892 movement is considered a strong value, though some owners report the rotor can be noisy and the winding feel unrefined, while others find the small crown difficult to manipulate. The absence of a second hand is polarizing, with some appreciating the simplicity and ease of setting, while others miss its presence. Overall, owners rate the Hamilton Jazzmaster Thinline Auto highly for its attractive, thin design and dial beauty at its price point.

From video reviewers

The slim case profile and affordable price point are consistently praised. Reviewers noted the absence of a second hand.

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