Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Khaki Aviation Air Race 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 $1,850
Khaki Aviation Air Race Auto
HamiltonKhaki Aviation Air Race Auto
MSRP $845

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Khaki Aviation Air Race Auto38mm
Power Reserve
C63 Sealander Extreme GMT56h
Khaki Aviation Air Race Auto80h
Water Resistance
C63 Sealander Extreme GMT150m
Khaki Aviation Air Race Auto50m
MSRP
C63 Sealander Extreme GMT$1,850
Khaki Aviation Air Race Auto$845

Full specifications

Case

7 specs
Category
GMT
Pilot
Diameter
48mm
38mm
Thickness
12.05mm
10.8mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
19mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
50m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330
H-10
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
80h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$845

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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

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.

Hamilton Khaki Aviation Air Race Auto

Owners widely praise the Hamilton Khaki Aviation Air Race Auto for its legibility and practicality, with some appreciating its countdown bezel and GMT pointer. However, opinions on its design are split, with some calling it a "Frankenstein" and disliking the skeleton hands, while others find the hands suitable for a pilot watch. One owner notes the lume is underwhelming and the 44mm size may be too large for some wrists. The original strap is also described as uncomfortable and prone to water stains. On balance, owners value the Hamilton Khaki Aviation Air Race Auto for its legibility and practical features, despite a polarizing design and some comfort concerns.

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