Side by side

Christopher Ward C63 Sealander Extreme GMTvsOak & Oscar The Jackson Big Eye

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 Jackson Big Eye
Oak & OscarThe Jackson Big Eye
MSRP $3,150

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
The Jackson Big Eye40mm
Power Reserve
C63 Sealander Extreme GMT56h
The Jackson Big Eye60 hoursh
Water Resistance
C63 Sealander Extreme GMT150m
The Jackson Big Eye50m
MSRP
C63 Sealander Extreme GMT$2,075
The Jackson Big Eye$3,150

Full specifications

Case

6 specs
Category
GMT
Chronograph
Thickness
12.05mm
14mm
Lug-to-Lug
48mm
46.4mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Brushed
Water Resistance
150m
50m

Crystal & Dial

5 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Black
White
Indices
Applied
Baton
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

4 specs
Caliber
SW330-2
Eterna Caliber 39 (Cal. 3907M)
Type
Automatic
Manual
Power Reserve
56h
60 hoursh
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$3,150

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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 Jackson Big Eye

Oak & Oscar The Jackson Big Eye is praised for its balanced design and fine details, featuring a prominent "Big Eye" 30-minute sub-register for improved readability, reminiscent of vintage chronographs. It is powered by the Eterna EMC 3907M manual wind movement with a 60-hour power reserve, column wheel, and flyback function, housed in a 40mm stainless steel case. This limited edition of 50 pieces was priced at $3,150 and included two Horween leather straps and a wallet. On balance, reviewers highlight the Jackson Big Eye's enthusiast-spec chronograph function and readable subdial as key strengths.

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