Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsSpinnaker Spence 300

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
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Spence 30040mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Spence 30040h
Water Resistance
The Humboldt GMT SAR Edition200m
Spence 300300m
MSRP
The Humboldt GMT SAR Edition$2,950
Spence 300$650

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
48mm
Material
Grade 5 Titanium
316L Stainless Steel
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Aquamarine
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
$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 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 Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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