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 $625

At a glance

17 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Prospex Sea PADI Special Edition43.8mm
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$625

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
39.5mm
43.8mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
46.8mm
48.7mm
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
Anti-reflective coating on inner surface
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
$625

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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, jewel-toned teal or emerald green dials with wave patterns and vibrant PADI color schemes. Owners and reviewers note its solid build quality, refined case, and good value, with some highlighting the laser-engraved bezel numerals and LumiBrite for legibility. The 6R55 movement offers a 72-hour power reserve, while the 6R15 provides 50 hours. Accuracy figures vary, with the 6R55 rated +25/-15 seconds per day and the 6R15 around +/- 15-25 seconds per day. Some find the lug-to-lug measurement, around 49.5mm, potentially long for smaller wrists, and one owner noted a unique case design made the watch wear top-heavy. Another owner found the finishing and bracelet design basic. Overall, owners and reviewers appreciate the Seiko Prospex Sea PADI Special Edition for its striking dial aesthetics and solid dive watch construction at its price point.

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