Side by side

Fortis Marinemaster M-40vsOak & Oscar The Olmsted ExP-01

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 ExP-01
Oak & OscarThe Olmsted ExP-01
MSRP $1,775

At a glance

17 of 29 specs differ
Diameter
Marinemaster M-4040mm
The Olmsted ExP-0138mm
Power Reserve
Marinemaster M-4038h
The Olmsted ExP-0142h
Water Resistance
Marinemaster M-40300m
The Olmsted ExP-01100m
MSRP
Marinemaster M-40$3,520
The Olmsted ExP-01$1,775

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
13mm
10.8mm
Lug-to-Lug
44.9mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Heat-treated Stainless Steel
Water Resistance
300m
100m

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 ExP-01

Owners widely praise Oak & Oscar The Olmsted ExP-01 for its exceptional finishing, comfortable bracelet, and smooth movement. The dial designs are a frequent point of admiration, with specific appreciation for the white, navy, and gray variants, as well as the orange seconds hand. The watch is considered fairly priced at around $1.5k and is noted for its versatility and "soul." On balance, owners rate Oak & Oscar The Olmsted ExP-01 highly for its overall quality, design, and the brand's customer service.

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