Side by side

Fortis Marinemaster M-40vsOak & Oscar The Olmsted Matte

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
The Olmsted Matte
Oak & OscarThe Olmsted Matte
MSRP $1,775

At a glance

18 of 29 specs differ
Diameter
Marinemaster M-4040mm
The Olmsted Matte38mm
Power Reserve
Marinemaster M-4038h
The Olmsted Matte42h
Water Resistance
Marinemaster M-40300m
The Olmsted Matte100m
MSRP
Marinemaster M-40$3,520
The Olmsted Matte$1,775

Full specifications

Case

8 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
13mm
10.8mm
Lug-to-Lug
44.9mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel (matte ceramic coated)
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Orange
Black
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Sellita SW220-1
Sellita SW300
Beat Rate
28,800 vph
4 vph
Power Reserve
38h
42h
Jewels
26
25
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$3,520
$1,775

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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.

Oak & Oscar The Olmsted Matte

Oak & Oscar The Olmsted Matte is praised for its stealthy, modern field watch aesthetic, featuring a durable ceramic-coated steel case and a clean, no-date dial. Reviewers highlight its comfortable 38mm dimensions and 100m water resistance. The watch offers exceptional value at $1,475, including two straps and a travel wallet, with a modified ETA 2892-A2 movement. One reviewer notes the ceramic coating may develop patina with heavy wear. Overall, reviewers rate Oak & Oscar The Olmsted Matte highly for its stealthy design and value proposition.

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