Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsSpinnaker Bradner Pearl Diver

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
Bradner Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Bradner Pearl Diver42mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Bradner Pearl Diver40h
Water Resistance
The Humboldt GMT SAR Edition200m
Bradner Pearl Diver180m
MSRP
The Humboldt GMT SAR Edition$2,950
Bradner Pearl Diver$370

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
39.5mm
42mm
Thickness
12.5mm
15mm
Lug-to-Lug
46.8mm
50mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
316L Stainless Steel
Water Resistance
200m
180m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Emerald
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330
SII NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,950
$370

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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.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

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