Side by side

Christopher Ward C63 Sealander Extreme GMTvsSpinnaker Bradner GMT

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
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Bradner GMT42mm
Power Reserve
C63 Sealander Extreme GMT56h
Bradner GMT40h
Water Resistance
C63 Sealander Extreme GMT150m
Bradner GMT180m
MSRP
C63 Sealander Extreme GMT$1,850
Bradner GMT$299

Full specifications

Case

6 specs
Diameter
48mm
42mm
Thickness
12.05mm
15mm
Lug-to-Lug
48mm
50mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
180m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Black
Brown
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330
Seiko NH34A
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$299

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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.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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