Side by side

Fortis Marinemaster M-40vsZelos Spearfish Dual Time

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
Spearfish Dual Time
ZelosSpearfish Dual Time
MSRP $2,199

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4040mm
Spearfish Dual Time40mm
Power Reserve
Marinemaster M-4038h
Spearfish Dual Time40h
Water Resistance
Marinemaster M-40300m
Spearfish Dual Time100m
MSRP
Marinemaster M-40$3,520
Spearfish Dual Time$2,199

Full specifications

Case

6 specs
Category
Diver
GMT
Thickness
13mm
10mm
Lug-to-Lug
40mm
Lug Width
21mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Orange
Ti - Meteorite

Movement

3 specs
Caliber
Sellita SW220-1
Sellita SW300 + TT651
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$2,199

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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 Spearfish Dual Time

Owners widely praise the Zelos Spearfish Dual Time for its attractive design and the well-executed big date complication. The watch is described as a non-attention-seeking option that looks awesome, with a thickness of 12mm including the crystal and 10mm without. One owner found the $1900 price tag too expensive and uncharacteristic for the brand. On balance, owners rate the Zelos Spearfish Dual Time highly for its attractive design and the well-executed big date complication.

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