Side by side

Christopher Ward C63 Sealander Extreme GMTvsTudor Pelagos Ultra

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
Pelagos Ultra
TudorPelagos Ultra
MSRP $6,900

At a glance

20 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Pelagos Ultra40mm
Power Reserve
C63 Sealander Extreme GMT56h
Pelagos Ultra65h
Water Resistance
C63 Sealander Extreme GMT150m
Pelagos Ultra1,000m
MSRP
C63 Sealander Extreme GMT$1,850
Pelagos Ultra$6,900

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
48mm
40mm
Thickness
12.05mm
14.5mm
Lug-to-Lug
48mm
46mm
Material
Stainless Steel
Titanium
Finish
Brushed + Bead-blasted + Sandblasted
Satin
Water Resistance
150m
1000m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Indices
Applied
Lume
SLN X1 BL / GL
None

Movement

7 specs
Caliber
SW330
MT5612-U
Beat Rate
4 vph
0 vph
Power Reserve
56h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$6,900

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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.

Tudor Pelagos Ultra

The Tudor Pelagos Ultra is praised for its 1000 meters of water resistance, METAS-certified Calibre MT5612-U movement, and fully lumed dial and bezel. Reviewers highlight its titanium case and self-adjusting clasp as key features. The Tudor Pelagos Ultra is slightly larger at 43mm than some other models in the line but wears comfortably. Overall, owners and reviewers rate the Tudor Pelagos Ultra highly for its technical specifications and comfortable wearability as a flagship dive watch.

From video reviewers

The Tudor Pelagos Ultra's all-titanium construction provides a lightweight and durable case. One weakness is the lack of lume brightness. Reviewers disagree on whether the helium release valve is a notable feature or a drawback for a more streamlined design.

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