Side by side

Christopher Ward C63 Sealander Extreme GMTvsTissot Seastar 1000

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
Seastar 1000
TissotSeastar 1000
MSRP $875

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Seastar 100040mm
Power Reserve
C63 Sealander Extreme GMT56h
Seastar 100080h
Water Resistance
C63 Sealander Extreme GMT150m
Seastar 1000300m
MSRP
C63 Sealander Extreme GMT$1,850
Seastar 1000$875

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
48mm
40mm
Thickness
12.05mm
12.48mm
Lug-to-Lug
48mm
40mm
Lug Width
22mm
20mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
300m

Crystal & Dial

4 specs
AR Coating
Underside
Yes
Dial Color
Black
Graded grey-black
Indices
Applied
Indexes
Lume
SLN X1 BL / GL
Super-LumiNova ®

Movement

4 specs
Caliber
SW330
Powermatic 80
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
80h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$875

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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.

Tissot Seastar 1000

Owners widely praise the Tissot Seastar 1000 for its value, solid build, and 300m water resistance, with reviewers highlighting its comfortable wearability and affordable price point for a sporty diver. Some owners find the bezel difficult to use and note glare from the crystal, while others criticize the lume and bracelet quality, with one owner describing the clasp as flimsy. Accuracy figures for the quartz models are excellent, and the Powermatic 80 movement is considered reliable. Overall, owners and reviewers rate the Tissot Seastar 1000 highly for its strong value proposition as a sporty, affordable everyday watch.

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