Side by side

Fortis Marinemaster M-40vsHamilton Khaki Navy Frogman Titanium 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
Khaki Navy Frogman Titanium Auto
HamiltonKhaki Navy Frogman Titanium Auto
MSRP $1,675

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
Khaki Navy Frogman Titanium Auto46mm
Power Reserve
Marinemaster M-4038h
Khaki Navy Frogman Titanium Auto80h
Water Resistance
Marinemaster M-40300m
Khaki Navy Frogman Titanium Auto1,000m
MSRP
Marinemaster M-40$3,520
Khaki Navy Frogman Titanium Auto$1,675

Full specifications

Case

6 specs
Diameter
40mm
46mm
Thickness
13mm
15.95mm
Lug-to-Lug
46mm
Lug Width
21mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
300m
1000m

Crystal & Dial

1 specs
Dial Color
Orange
Black

Movement

3 specs
Caliber
Sellita SW220-1
H-10
Power Reserve
38h
80h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$1,675

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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 Khaki Navy Frogman Titanium Auto

Owners widely praise the Hamilton Khaki Navy Frogman Titanium Auto for its durability, bold design, and titanium case construction, with some noting its comfortable wearability and precise +2 seconds per day accuracy. Reviewers highlight the 46mm model's 1000m water resistance and 80-hour power reserve from the H-10 movement. However, the large 46mm case size is frequently cited as a drawback for everyday wear, and some find the rubber strap stiff, the bezel grip challenging when wet, and the crown difficult to grip. One owner reports that the lume is not strong. On balance, owners and reviewers appreciate the Hamilton Khaki Navy Frogman Titanium Auto for its robust build and dive-ready specifications, with the primary caveat being its substantial case dimensions.

From video reviewers

The bezel action and dial are highlighted as strengths. The watch's size, specifically its thickness and lug-to-lug measurement, is a shared concern. Reviewers disagreed on the oversized crown lock, with one finding it a drawback and another not mentioning it.

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