Side by side

Fortis Marinemaster M-40vsRZE UTD-8000

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
UTD-8000
RZEUTD-8000
MSRP $279

At a glance

14 of 29 specs differ
Diameter
Marinemaster M-4040mm
UTD-800040mm
Power Reserve
Marinemaster M-4038h
UTD-800040h
Water Resistance
Marinemaster M-40300m
UTD-8000200m
MSRP
Marinemaster M-40$3,520
UTD-8000$279

Full specifications

Case

7 specs
Category
Diver
Tool
Thickness
13mm
13.4mm
Lug-to-Lug
49.5mm
Lug Width
21mm
20mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Screw secured titanium caseback

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
Seiko VK64
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$279

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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.

RZE UTD-8000

The RZE UTD-8000 is praised for its full titanium construction with scratch-resistant coatings and comfortable wearability, offering significant value at its price point. Reviewers note its modern materials like Cerakote-coated titanium and sapphire crystal, though its feature set does not rival more expensive digital competitors. Overall, the RZE UTD-8000 is considered a compelling enthusiast piece for its material execution and value.

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