Side by side

Oak & Oscar The Humboldt GMTvsSeiko Prospex Sea PADI Special Edition

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
Prospex Sea PADI Special Edition
SeikoProspex Sea PADI Special Edition
MSRP $650

At a glance

17 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Prospex Sea PADI Special Edition41.7mm
Power Reserve
The Humboldt GMT56 hoursh
Prospex Sea PADI Special Edition41h
Water Resistance
The Humboldt GMT200m
Prospex Sea PADI Special Edition200m
MSRP
The Humboldt GMT$2,175
Prospex Sea PADI Special Edition$650

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
41.7mm
Thickness
12.5mm
12.3mm
Lug-to-Lug
46.8mm
49.5mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW330
4R35
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
41h
Jewels
25
23

Pricing

1 specs
MSRP
$2,175
$650

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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.

Seiko Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its attractive blue and red PADI colors, rich dial aesthetic, and excellent lume that stands out even in dim environments. Owners highlight its robust build quality and excellent bezel action, noting the wave dial is a favorite. However, the Hardlex crystal and the 4R36 movement's accuracy range of +45 to -35 seconds per day are identified as compromises for the price. Some owners find the diver's extension difficult to open and the bracelet adjustment challenging, though manageable. On balance, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its build quality and striking dial design at its price point.

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