Side by side

Fortis Marinemaster M-40vsHamilton Khaki Field King Day-Date

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 Field King Day-Date
HamiltonKhaki Field King Day-Date
MSRP $845

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Khaki Field King Day-Date40mm
Power Reserve
Marinemaster M-4038h
Khaki Field King Day-Date80h
Water Resistance
Marinemaster M-40300m
Khaki Field King Day-Date100m
MSRP
Marinemaster M-40$3,520
Khaki Field King Day-Date$845

Full specifications

Case

5 specs
Category
Diver
Field
Thickness
13mm
11.8mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
Black

Movement

3 specs
Caliber
Sellita SW220-1
H-40
Power Reserve
38h
80h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$845

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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 Field King Day-Date

Hamilton Khaki Field King Day-Date owners widely praise its classic styling, 80-hour power reserve, and excellent value. Opinions on water resistance are split; some express concern over the 50m rating, while others find it sufficient for daily wear and swimming. One owner notes the stock strap can be stiff. Service costs range from $55 for routine maintenance to $220 for full service with movement replacement. On balance, owners rate the Hamilton Khaki Field King Day-Date highly for its classic aesthetics and impressive power reserve at its price point.

From video reviewers

The 80-hour power reserve from the H-40 automatic movement is a significant strength. The 50-meter water resistance is considered a limitation for a field watch.

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