Side by side

Christopher Ward C63 Sealander RocksvsSeiko Astron

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C63 Sealander Rocks
Christopher WardC63 Sealander Rocks
MSRP $1,350
Astron
SeikoAstron
MSRP $2,500

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Rocks40mm
Astron42mm
Power Reserve
C63 Sealander Rocks38h
Astron40h
Water Resistance
C63 Sealander Rocks150m
Astron100m
MSRP
C63 Sealander Rocks$1,350
Astron$2,500

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
40mm
42mm
Thickness
11.05mm
12.4mm
Lug-to-Lug
42.87mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
150m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
Yellow
Black
Lume
SLN X1 BL C1
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW200-1
5X83
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
14

Pricing

1 specs
MSRP
$1,350
$2,500

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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 Rocks

Owners widely praise the Christopher Ward C63 Sealander Rocks for its excellent wearability, comfort, and build quality for the price, with many highlighting its refined dial and versatile design. The 36mm case is noted as wearing well on smaller wrists, and the robust bracelet offers on-the-fly adjustment. Some owners find the branding prominent or the dial too white, and one owner experienced difficulty adjusting the time on their 36mm model. The Sellita SW200-1 movement provides a 38-hour power reserve. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Rocks highly for its exceptional wearability and refined dial at its price point.

From video reviewers

The dial finishing and unique stone dial options are strong points. The 36mm case size is a shared feature. Reviewers questioned its value proposition against other watches under $1,000.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, solar-powered quartz movement, and GPS time synchronization, making it a convenient grab-and-go option. The watch is frequently noted for its comfortable and lightweight titanium build, with some models featuring well-finished cases and robust ceramic bezels. Reviewers and owners alike highlight the dial's dynamic and shiny appearance, with textured hour markers and high-contrast edges. Accuracy is generally considered good, with figures ranging from +/- 15 seconds per month to within 1/2 second per day, easily corrected by GPS signal. However, some owners note that DST requires manual adjustment and that automatic time syncing depends on proximity to radio wave towers. The price point is a concern for some, who feel it competes with luxury watches without the same aesthetic appeal. One owner pointed out minimal lume and a slight misalignment of the minute hand on their model.

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