Side by side

Christopher Ward C63 Sealander Extreme GMTvsOak & Oscar The Humboldt ExP-02

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $1,850
The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
The Humboldt ExP-0239.5mm
Power Reserve
C63 Sealander Extreme GMT56h
The Humboldt ExP-0256h
Water Resistance
C63 Sealander Extreme GMT150m
The Humboldt ExP-02200m
MSRP
C63 Sealander Extreme GMT$1,850
The Humboldt ExP-02$2,400

Full specifications

Case

9 specs
Category
GMT
Tool
Diameter
48mm
39.5mm
Thickness
12.05mm
12.4mm
Lug-to-Lug
48mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
200m
Caseback
Solid
Display

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-domed
AR Coating
Underside
Inner
Dial Color
Black
Grey
Lume
SLN X1 BL / GL
Super-LumiNova BGW9

Movement

3 specs
Caliber
SW330
Sellita SW300
Beat Rate
4 vph
28,800 vph
Complications
GMT, Moonphase, Day-date
GMT, Chronograph

Pricing

1 specs
MSRP
$1,850
$2,400

Follow this matchup

Get a note when Christopher Ward C63 Sealander Extreme GMT vs Oak & Oscar The Humboldt ExP-02 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.

Christopher Ward C63 Sealander Extreme GMT

Owners and reviewers widely praise the Christopher Ward C63 Sealander Extreme GMT for its excellent value, tactical and travel-ready design, and impressive lume, with the black dial being a collective favorite. Its 41mm brushed steel case is noted for comfort and wearability, complemented by a well-proportioned design and excellent legibility. The watch features a Sellita SW330-2 movement with a 56-hour power reserve and 150m water resistance, including a shock-absorbing mount. Some find its refinement slightly less than pricier alternatives, and its GMT movement is considered less practical than a flyer GMT. On balance, the Christopher Ward C63 Sealander Extreme GMT is highly regarded by owners and reviewers for its compelling blend of features, rugged design, and exceptional value.

Oak & Oscar The Humboldt ExP-02

Oak & Oscar The Humboldt ExP-02 is a 39.5mm stainless steel tool watch featuring a unique, layered aluminum "ghost dial" for legibility and 200m water resistance, powered by a Sellita SW300 movement. Its appeal is limited by a US$2,550 price and an extremely limited production of 20 pieces, with its experimental dial construction done in Chicago. Overall, reviewers highlight the endearing dial and in-house bezel production as key features of the Oak & Oscar Humboldt ExP-02.

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.