Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsTornek-Rayville TR-660 Acrylic Date

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
TR-660 Acrylic Date
Tornek-RayvilleTR-660 Acrylic Date

At a glance

13 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
TR-660 Acrylic Date40mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
TR-660 Acrylic Date50h
Water Resistance
The Humboldt GMT SAR Edition200m
TR-660 Acrylic Date200m
MSRP
The Humboldt GMT SAR Edition$2,950
TR-660 Acrylic Date

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
14.7mm
Lug-to-Lug
46.8mm
48.5mm
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
TMI NH38
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
50h

Pricing

1 specs
MSRP
$2,950

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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 TR-660 Acrylic Date

Owners widely praise the exceptional build quality for the price, noting a solid feel, quiet rotor, and good bezel action on the Tornek-Rayville TR-660 Acrylic Date. Reviewers highlight its utilitarian, non-reflective matte black dial and the inclusion of a moisture detector, echoing its military-issued predecessor. One owner found the lume dim and short-lived. Overall, owners rate the Tornek-Rayville TR-660 Acrylic Date highly for its robust construction and military-inspired design cues at its price point.

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