Side by side

Fortis Marinemaster M-40vsZelos Blacktip 41

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
Blacktip 41
ZelosBlacktip 41
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4040mm
Blacktip 4141mm
Power Reserve
Marinemaster M-4038h
Blacktip 4140h
Water Resistance
Marinemaster M-40300m
Blacktip 41200m
MSRP
Marinemaster M-40$3,520
Blacktip 41$499

Full specifications

Case

6 specs
Diameter
40mm
41mm
Thickness
13mm
12mm
Lug-to-Lug
41mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Orange
Teal

Movement

3 specs
Caliber
Sellita SW220-1
Miyota 9015
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 Blacktip 41

The Zelos Blacktip 41 is widely praised for its exceptional quality and value, featuring a titanium case, sapphire crystal, and a reliable Miyota 9015 movement. Owners and reviewers highlight its well-proportioned 41mm case with strong ergonomics, a 47.5mm lug-to-lug, and a 11.5mm thickness, making it a comfortable diver for many. The watch boasts eye-catching dials with grained textures and degrade effects, complemented by large applied indices, a lume-filled crown, and strong two-tone lume. The bezel action is described as having firm clicks with a slight return. The Miyota 9015 movement provides near-COSC accuracy and a 200m water resistance. On balance, owners and reviewers rate the Zelos Blacktip 41 highly for its superb value and well-executed dive watch features at its price point.

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