Side by side

Oak & Oscar The Humboldt GMTvsGrand Seiko SLGW005

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
SLGW005
Grand SeikoSLGW005
MSRP $9,700

At a glance

18 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
SLGW00538.8mm
Power Reserve
The Humboldt GMT56 hoursh
SLGW00580h
Water Resistance
The Humboldt GMT200m
SLGW00530m
MSRP
The Humboldt GMT$2,175
SLGW005$9,700

Full specifications

Case

9 specs
Category
GMT
Dress
Diameter
39.5mm
38.8mm
Thickness
12.5mm
10.4mm
Lug-to-Lug
46.8mm
43.7mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Water Resistance
200m
30m
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
None

Movement

4 specs
Caliber
Sellita SW330
9SA4
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
80h

Pricing

1 specs
MSRP
$2,175
$9,700

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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.

Grand Seiko SLGW005

The Grand Seiko SLGW005 is lauded for its faithful recreation of the 1968 45GS, featuring a desirable double-signed dial and a beautifully finished case adhering to the Grammar of Design. It is powered by the new 9SA4 manual-winding, high-beat movement, offering an 80-hour power reserve and a mean daily rate of -3/+5 seconds. Owners consider it a "gloriously perfect" and "pure and elegant expression" of Grand Seiko's strengths, with one owner preferring its creamy dial over a more pronounced beige found on other models. Overall, owners and reviewers rate the Grand Seiko SLGW005 highly for its elegant design and impressive high-beat movement.

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