Side by side

Christopher Ward C63 Sealander Extreme GMTvsNivada Grenchen Autochron

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
Autochron
Nivada GrenchenAutochron
MSRP $2,495

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Autochron38mm
Power Reserve
C63 Sealander Extreme GMT56h
Autochron42h
Water Resistance
C63 Sealander Extreme GMT150m
Autochron200m
MSRP
C63 Sealander Extreme GMT$1,850
Autochron$2,495

Full specifications

Case

8 specs
Category
GMT
Chronograph
Diameter
48mm
38mm
Thickness
12.05mm
38mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed + Polished
Water Resistance
150m
200m
Caseback
Solid
316L Steel Silver Color Caseback

Crystal & Dial

4 specs
AR Coating
Underside
Inner
Dial Color
Black
Matt Blue Small texture +Super White Lum thick Printed 7506C Super Lum. Dots +White thick Printed logo
Indices
Applied
Baton
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

4 specs
Caliber
SW330
ETA Valjoux 7750
Beat Rate
4 vph
28 vph
Power Reserve
56h
42h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$2,495

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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.

Nivada Grenchen Autochron

Owners praise the Nivada Grenchen Autochron's dial, with one owner calling it amazing. The Autochron Mechaquartz is noted for its squared profile and the comfort of its expansion bracelet on smaller wrists.

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