Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto

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

At a glance

12 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
Power Reserve
C63 Sealander Extreme GMT56h
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
Water Resistance
C63 Sealander Extreme GMT150m
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
MSRP
C63 Sealander Extreme GMT$2,075
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075

Full specifications

Case

6 specs
Category
GMT
Pilot
Diameter
40mm
42mm
Thickness
12.05mm
12.15mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Water Resistance
150m
100m

Crystal & Dial

1 specs
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330-2
H-40
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
80h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$1,075

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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.

Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto is widely praised for its value, with reviewers noting the Swatch Group's economies of scale contribute to its affordability. Owners and reviewers highlight the large, easy-to-read dial, with one source specifically mentioning the "ice-cold" blue degradé sub-dials as an unusual chromatic anomaly for its price point, and another noting the painted, luminous indices as a significant advantage. The 42mm case is described as offering a nice mix of brushed and polished finishes, and the slightly domed sapphire crystal enhances readability. The H-21 caliber provides a 60-hour power reserve and an anti-magnetic silicon balance spring, while the ETA 2834-2 movement offers precise day/date changes, though one source notes its 40-hour power reserve requires weekly winding. Some criticism is directed at the use of three different fonts and inconsistent color matching for the day/date indicators.

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