Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Khaki Field King 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 Field King Auto
HamiltonKhaki Field King Auto
MSRP $845

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Khaki Field King Auto40mm
Power Reserve
C63 Sealander Extreme GMT56h
Khaki Field King Auto80h
Water Resistance
C63 Sealander Extreme GMT150m
Khaki Field King Auto50m
MSRP
C63 Sealander Extreme GMT$1,850
Khaki Field King Auto$845

Full specifications

Case

7 specs
Category
GMT
Field
Diameter
48mm
40mm
Thickness
12.05mm
11.15mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
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-40
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 Field King Auto

Owners and reviewers widely praise the Hamilton Khaki Field King Auto for its 80-hour power reserve, hacking capability, and snappy day-date function, with accuracy figures ranging from +1 to +5 seconds per day. The watch is also noted for its legibility, attractive dial options, and 100m water resistance. Some owners find the stock strap stiff and the case finishing lacks fine detail, while others mention the lume is decent but fades significantly after about 30 minutes. The lack of an anti-reflective coating on the sapphire crystal is a recurring point, and the crown does not feel like it fully pushes in for some. On balance, owners and reviewers rate the Hamilton Khaki Field King Auto highly for its robust feature set and value, particularly its day-date complication and extended power reserve.

From video reviewers

The 80-hour power reserve from the H-40 movement is a significant advantage. The lack of AR coating on the sapphire crystal hinders legibility in direct light, and the 50-meter water resistance is limited for a field watch. Reviewers disagreed on the watch case geometry and ergonomics, with one noting it contributed to buyer's remorse and another suggesting it should offer a comfortable fit.

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