Side by side

Oak & Oscar The Humboldt GMTvsTudor Black Bay One 31

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

The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Black Bay One 3131mm
Power Reserve
The Humboldt GMT56 hoursh
Black Bay One 3150h
Water Resistance
The Humboldt GMT200m
Black Bay One 31100m
MSRP
The Humboldt GMT$2,175
Black Bay One 31$4,600

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
39.5mm
31mm
Thickness
12.5mm
9.5mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Polished + Satin
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW330
MT5201
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
50h

Pricing

1 specs
MSRP
$2,175
$4,600

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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.

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.

Tudor Black Bay One 31

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

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