Side by side

Fortis Marinemaster M-40vsZelos Hammerhead V3 300m Bronze

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
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Marinemaster M-4038h
Hammerhead V3 300m Bronze40h
Water Resistance
Marinemaster M-40300m
Hammerhead V3 300m Bronze300m
MSRP
Marinemaster M-40$3,520
Hammerhead V3 300m Bronze$449

Full specifications

Case

4 specs
Diameter
40mm
44mm
Lug-to-Lug
44mm
Lug Width
21mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Orange
Bronze - Frost

Movement

3 specs
Caliber
Sellita SW220-1
Seiko NH35
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$449

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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 Hammerhead V3 300m Bronze

Owners widely praise the Zelos Hammerhead V3 300m Bronze for its distinctive 70s-inspired design, slim 13.5mm case, and improved lume, offering a sophisticated timepiece at an accessible price point starting at $349. The unique dial is noted for evoking an otherworldly feeling, and the comfortable bracelet features on-the-fly micro-adjustment. Some enthusiasts express frustration with shipping delays and a desire to see the watch on a wrist before purchase. One owner flags that the clasp material could be more scratch-resistant, and resizing bracelet pins can be stubborn. On balance, owners rate the Zelos Hammerhead V3 300m Bronze highly for its unique design and build quality at its price point.

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