Side by side

Christopher Ward C63 Sealander Extreme GMTvsSternglas Naos Solar

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 Solar
SternglasNaos Solar
MSRP $323

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Naos Solar38mm
Power Reserve
C63 Sealander Extreme GMT56h
Naos Solar
Water Resistance
C63 Sealander Extreme GMT150m
Naos Solar50m
MSRP
C63 Sealander Extreme GMT$1,850
Naos Solar$323

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
48mm
38mm
Thickness
12.05mm
10mm
Lug-to-Lug
48mm
42mm
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
Luminova Punkten

Movement

6 specs
Caliber
SW330
Seiko VJ76
Type
Automatic
Solar
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
Jewels
25
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$323

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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 Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

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