Side by side

Fortis Marinemaster M-40vsMassena LAB Uni-Racer

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
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

15 of 29 specs differ
Diameter
Marinemaster M-4040mm
Uni-Racer39mm
Power Reserve
Marinemaster M-4038h
Uni-Racer58h
Water Resistance
Marinemaster M-40300m
Uni-Racer50m
MSRP
Marinemaster M-40$3,520
Uni-Racer$3,495

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
40mm
39mm
Thickness
13mm
9mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Inner
No
Dial Color
Orange
White

Movement

4 specs
Caliber
Sellita SW220-1
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
38h
58h
Jewels
26
23

Pricing

1 specs
MSRP
$3,520
$3,495

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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.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution at its price point.

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