Side by side

Oak & Oscar The Humboldt GMTvsTornek-Rayville Blakjak Time-elapse

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 Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Blakjak Time-elapse42.5mm
Power Reserve
The Humboldt GMT56 hoursh
Blakjak Time-elapse42h
Water Resistance
The Humboldt GMT200m
Blakjak Time-elapse200m
MSRP
The Humboldt GMT$2,175
Blakjak Time-elapse$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 Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

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