Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsTornek-Rayville Blakjak Time-elapse

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

The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

14 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Blakjak Time-elapse42.5mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Blakjak Time-elapse42h
Water Resistance
The Humboldt GMT SAR Edition200m
Blakjak Time-elapse200m
MSRP
The Humboldt GMT SAR Edition$2,950
Blakjak Time-elapse$895

Full specifications

Case

7 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
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
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
$2,950
$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 SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

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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