Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Khaki Aviation Pilot Pioneer Mechanical

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

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Khaki Aviation Pilot Pioneer Mechanical36mm
Power Reserve
C63 Sealander Extreme GMT56h
Khaki Aviation Pilot Pioneer Mechanical80h
Water Resistance
C63 Sealander Extreme GMT150m
Khaki Aviation Pilot Pioneer Mechanical100m
MSRP
C63 Sealander Extreme GMT$1,850
Khaki Aviation Pilot Pioneer Mechanical$975

Full specifications

Case

7 specs
Category
GMT
Pilot
Diameter
48mm
36mm
Thickness
12.05mm
9.95mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
18mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Mineral
AR Coating
Underside
Inner
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330
H-50
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
80h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$975

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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 Pilot Pioneer Mechanical

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical for its superior fit and finish, clean and unique design, and overall value, with one owner calling it a significant step up in build quality. The watch measures 36mm wide with a 41.7mm lug-to-lug and 12.8mm thickness. Some owners express concern over its mineral crystal, with one noting the bezel's detents are "kinda whatever." On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical highly for its build quality and value proposition.

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