Side by side

Fortis Marinemaster M-40vsZelos GT

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
GT
ZelosGT
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4040mm
GT42mm
Power Reserve
Marinemaster M-4038h
GT40h
Water Resistance
Marinemaster M-40300m
GT100m
MSRP
Marinemaster M-40$3,520
GT$499

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
13mm
10.8mm
Lug-to-Lug
42mm
Lug Width
21mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
SS - Azzurro

Movement

3 specs
Caliber
Sellita SW220-1
Miyota 9133
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$499

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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.

Zelos GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

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