Side by side

Fortis Marinemaster M-44 DLCvsOak & Oscar The Humboldt GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450
The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175

At a glance

18 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
The Humboldt GMT39.5mm
Power Reserve
Marinemaster M-44 DLC38h
The Humboldt GMT56 hoursh
Water Resistance
Marinemaster M-44 DLC300m
The Humboldt GMT200m
MSRP
Marinemaster M-44 DLC$5,450
The Humboldt GMT$2,175

Full specifications

Case

9 specs
Category
Diver
GMT
Diameter
44mm
39.5mm
Thickness
14mm
12.5mm
Lug-to-Lug
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC)
316L Stainless Steel
Finish
Brushed and polished
Brushed
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW220-1
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
38h
56 hoursh
Jewels
26
25

Pricing

1 specs
MSRP
$5,450
$2,175

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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-44 DLC

The Fortis Marinemaster M-44 DLC is widely praised for its robust COSC-certified Kenissi Werk 11 movement, offering a 70-hour power reserve, and its stealthy, scratch-resistant Dianoir DLC coating. Owners find it comfortable to wear despite its 44mm size, with one owner considering it a standout piece. Some reviewers note a subtle difference in the color tone of the DLC coating on the crown and bezel lock between variants. Overall, owners and reviewers regard the Fortis Marinemaster M-44 DLC highly for its durable construction and reliable, high-spec movement.

Oak & Oscar The Humboldt GMT

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

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