Side by side

Christopher Ward C63 Sealander Extreme GMTvsLum-Tec Solar Marine

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
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Solar Marine39mm
Power Reserve
C63 Sealander Extreme GMT56h
Solar Marine40h
Water Resistance
C63 Sealander Extreme GMT150m
Solar Marine300m
MSRP
C63 Sealander Extreme GMT$1,850
Solar Marine$463

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
48mm
39mm
Thickness
12.05mm
10.7mm
Lug-to-Lug
48mm
43.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
300m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$1,850
$463

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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