Side by side

Oak & Oscar The Humboldt GMTvsTornek-Rayville Blakjak 12-hr GMT

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
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Blakjak 12-hr GMT42.5mm
Power Reserve
The Humboldt GMT56 hoursh
Blakjak 12-hr GMT42h
Water Resistance
The Humboldt GMT200m
Blakjak 12-hr GMT200m
MSRP
The Humboldt GMT$2,175
Blakjak 12-hr GMT$895

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
39.5mm
42.5mm
Thickness
12.5mm
13.2mm
Lug-to-Lug
46.8mm
49mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
White
Black
Lume
Super-LumiNova
Superluminova

Movement

3 specs
Caliber
Sellita SW330
SII NH36
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
42h

Pricing

1 specs
MSRP
$2,175
$895

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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.

Tornek-Rayville Blakjak 12-hr GMT

The Tornek-Rayville Blakjak 12-hr GMT is a 42.5mm stainless steel watch featuring a DLC-coated bezel, sapphire crystal, and a matte black dial with 12- and 24-hour scales. It is powered by a Seiko SII NH36 automatic movement, offering a 41-hour power reserve, and boasts 200 meters of water resistance. The dial includes a day/date complication and Super-LumiNova BGW9 lume. Overall, owners and reviewers highlight its robust build and functional military-inspired design as key strengths.

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