Side by side

Fortis Marinemaster M-40vsHamilton Jazzmaster Seaview 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 Seaview Auto
HamiltonJazzmaster Seaview Auto
MSRP $945

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
Jazzmaster Seaview Auto37mm
Power Reserve
Marinemaster M-4038h
Jazzmaster Seaview Auto42h
Water Resistance
Marinemaster M-40300m
Jazzmaster Seaview Auto100m
MSRP
Marinemaster M-40$3,520
Jazzmaster Seaview Auto$945

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
37mm
Thickness
13mm
11.3mm
Lug-to-Lug
46mm
Lug Width
21mm
18mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
White

Movement

3 specs
Caliber
Sellita SW220-1
2824-2
Power Reserve
38h
42h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$945

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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 Seaview Auto

Owners widely praise the Hamilton Jazzmaster Seaview Auto for its attractive design and comfortable wearability when paired with aftermarket straps like sailcloth. Accuracy varies, with one owner reporting gains of 15 seconds per day after seven years of wear, which improved to +/- 4 seconds per day after servicing and case replacement. Another user noted finish issues after minimal wear, questioning the material quality. The Hamilton Jazzmaster Seaview Auto is available with a 45mm stainless steel case, sapphire crystal, 300m water resistance, and an ETA 2824-2 movement, with prices around $500. On balance, owners value the Hamilton Jazzmaster Seaview Auto for its aesthetic appeal and strap versatility, though material durability can be a concern for some.

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