Side by side

Christopher Ward C63 Sealander Extreme GMTvsSternglas Naos Edition Sport

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
Naos Edition Sport
SternglasNaos Edition Sport
MSRP $269

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Naos Edition Sport38mm
Power Reserve
C63 Sealander Extreme GMT56h
Naos Edition Sport
Water Resistance
C63 Sealander Extreme GMT150m
Naos Edition Sport50m
MSRP
C63 Sealander Extreme GMT$1,850
Naos Edition Sport$269

Full specifications

Case

7 specs
Category
GMT
Sport
Diameter
48mm
38mm
Thickness
12.05mm
8mm
Lug-to-Lug
48mm
41mm
Lug Width
22mm
20mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
50m

Crystal & Dial

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

Movement

6 specs
Caliber
SW330
Ronda 715
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
Jewels
25
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$269

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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.

Sternglas Naos Edition Sport

Owners widely praise the Sternglas Naos Edition Sport for its durability and refined daily wearability, easily transitioning between casual and dressier occasions. The sapphire crystal remains scratchless, and the steel case holds up well, though some users report minor bezel micro-scratching. One owner found the original tan strap showed significant wear and fraying within a year, necessitating a replacement. Opinions are split on the watch's aesthetic; some describe it as underwhelming with a printed-on face, small font, and toy-like hands, feeling cheap and looking worse in person, while others love the watch and find it looks fantastic. Some owners in the line also note that certain variants wear smaller than expected, with a desire for smaller case sizes for slender wrists. On balance, owners rate the Sternglas Naos Edition Sport highly for its durable construction and versatile design, despite some reservations about its dial finishing and strap quality.

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