Side by side

Christopher Ward C63 Sealander Extreme GMTvsOak & Oscar The Humboldt 12-hr

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 $2,075
The Humboldt 12-hr
Oak & OscarThe Humboldt 12-hr
MSRP $1,750

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
The Humboldt 12-hr39.5mm
Power Reserve
C63 Sealander Extreme GMT56h
The Humboldt 12-hr42 hoursh
Water Resistance
C63 Sealander Extreme GMT150m
The Humboldt 12-hr200m
MSRP
C63 Sealander Extreme GMT$2,075
The Humboldt 12-hr$1,750

Full specifications

Case

8 specs
Category
GMT
Tool
Diameter
40mm
39.5mm
Thickness
12.05mm
12.4mm
Lug-to-Lug
48mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

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

Movement

4 specs
Caliber
SW330-2
ETA 2892A2
Power Reserve
56h
42 hoursh
Jewels
25
21
Complications
GMT
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$2,075
$1,750

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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.

Christopher Ward C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

Oak & Oscar The Humboldt 12-hr

Oak & Oscar The Humboldt 12-hr owners widely praise its comfortable, solid bracelet with screw links and tight end-link fit, along with its awesome sandwich dial featuring superb grain and crisp details. The 12-hour bezel is noted as excellent for tracking a second time zone, and the orange second hand adds a nice pop. One owner reports the watch has outstanding quality and a perfect fit on smaller wrists, while another notes its legibility and great presence on various straps. A reviewer describes it as a 40mm stainless steel tool watch with a matte, brushed finish and a sandwich dial, powered by an ETA 2892-A2 movement with a 42-hour power reserve. Some in the line report the lume could be brighter. On balance, owners and reviewers rate Oak & Oscar The Humboldt 12-hr highly for its build quality and versatile tool-watch design.

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