Side by side

Fortis Marinemaster M-40vsHamilton Khaki Aviation Pilot Day-Date - Air Zermatt 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

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
Power Reserve
Marinemaster M-4038h
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
Water Resistance
Marinemaster M-40300m
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
MSRP
Marinemaster M-40$3,520
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
40mm
42mm
Thickness
13mm
12.15mm
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
$1,075

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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 Aviation Pilot Day-Date - Air Zermatt Auto

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto is widely praised for its value, with reviewers noting the Swatch Group's economies of scale contribute to its affordability. Owners and reviewers highlight the large, easy-to-read dial, with one source specifically mentioning the "ice-cold" blue degradé sub-dials as an unusual chromatic anomaly for its price point, and another noting the painted, luminous indices as a significant advantage. The 42mm case is described as offering a nice mix of brushed and polished finishes, and the slightly domed sapphire crystal enhances readability. The H-21 caliber provides a 60-hour power reserve and an anti-magnetic silicon balance spring, while the ETA 2834-2 movement offers precise day/date changes, though one source notes its 40-hour power reserve requires weekly winding. Some criticism is directed at the use of three different fonts and inconsistent color matching for the day/date indicators.

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