Side by side

Fortis Marinemaster M-40vsOak & Oscar The Humboldt 12-hr

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 Humboldt 12-hr
Oak & OscarThe Humboldt 12-hr
MSRP $1,750

At a glance

18 of 29 specs differ
Diameter
Marinemaster M-4040mm
The Humboldt 12-hr39.5mm
Power Reserve
Marinemaster M-4038h
The Humboldt 12-hr42 hoursh
Water Resistance
Marinemaster M-40300m
The Humboldt 12-hr200m
MSRP
Marinemaster M-40$3,520
The Humboldt 12-hr$1,750

Full specifications

Case

8 specs
Category
Diver
Tool
Diameter
40mm
39.5mm
Thickness
13mm
12.4mm
Lug-to-Lug
46.8mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

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

Movement

5 specs
Caliber
Sellita SW220-1
ETA 2892A2
Beat Rate
28,800 vph
4 vph
Power Reserve
38h
42 hoursh
Jewels
26
21
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$3,520
$1,750

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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 Humboldt 12-hr

Oak & Oscar The Humboldt 12-hr owners widely praise its comfortable, solid bracelet with screw links and tight end-link fit, along with its awesome sandwich dial featuring superb grain and crisp details. The 12-hour bezel is noted as excellent for tracking a second time zone, and the orange second hand adds a nice pop. One owner reports the watch has outstanding quality and a perfect fit on smaller wrists, while another notes its legibility and great presence on various straps. A reviewer describes it as a 40mm stainless steel tool watch with a matte, brushed finish and a sandwich dial, powered by an ETA 2892-A2 movement with a 42-hour power reserve. Some in the line report the lume could be brighter. On balance, owners and reviewers rate Oak & Oscar The Humboldt 12-hr highly for its build quality and versatile tool-watch design.

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