Side by side

Zelos Hammerhead (Tantalum LE)vsOak & Oscar The Humboldt GMT SAR Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950

At a glance

17 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
The Humboldt GMT SAR Edition39.5mm
Power Reserve
Hammerhead (Tantalum LE)40h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
Hammerhead (Tantalum LE)300m
The Humboldt GMT SAR Edition200m
MSRP
Hammerhead (Tantalum LE)$1,499
The Humboldt GMT SAR Edition$2,950

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
44mm
39.5mm
Thickness
13mm
12.5mm
Lug-to-Lug
44mm
46.8mm
Lug Width
22mm
20mm
Material
Titanium
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Tantalum LE
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Seiko NH35
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh

Pricing

1 specs
MSRP
$1,499
$2,950

Follow this matchup

Get a note when Zelos Hammerhead (Tantalum LE) vs Oak & Oscar The Humboldt GMT SAR Edition gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.