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Christopher Ward C63 ValourvsSeiko Astron GPS Solar 2025 Limited Edition

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

C63 Valour
Christopher WardC63 Valour
MSRP $1,105
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600
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 Valour

The Christopher Ward C63 Valour is praised for its beautiful, deep dial with 3D applied markers and indices, its great look, and its symmetry, with some calling it one of the best-looking and most affordable chronographs available. Reviewers note its Light-catcher case with flowing curves and contrasting brushed and polished finishes, and a matte black dial with applied numerals and sub-dials featuring differently colored hands. The watch is powered by a thermocompensated, chronometer-certified quartz movement, specifically the ETA G10.212 AD, which Christopher Ward claims offers accuracy of +/- 10 seconds per year, though some users question this, citing ETA's stated accuracy of +/- 73 seconds per year. Owners are split on the use of a quartz movement in a watch at this price point, with some preferring mechanical movements, while others defend quartz for its reliability, thinner profile, accuracy, and lower service costs.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is widely praised for its advanced GPS time and date adjustment capabilities, powered by light to eliminate battery changes. Owners and reviewers highlight its impressive accuracy and the convenience of automatic time zone updates, with some specifically commending the wearability of the 39mm size and its clean, simple design. However, reception of the GPS signal requires an unobstructed view of the sky, and manual time zone adjustments are necessary for Daylight Saving Time on some variants. One owner notes a slight imperfection in chapter ring alignment on the 39mm model. On balance, owners and reviewers rate the Seiko Astron GPS Solar 2025 Limited Edition highly for its satellite-powered timekeeping and improved wearability in the 39mm configuration.

At a glance

15 of 29 specs differ
Diameter
C63 Valour40mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
C63 Valour40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
C63 Valour150m
Astron GPS Solar 2025 Limited Edition100m
MSRP
C63 Valour$1,105
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

8 specs
Category
Chronograph
GMT
Diameter
40mm
42mm
Thickness
11.55mm
12mm
Lug-to-Lug
45.8mm
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
150m
100m
Caseback
Engraved
Solid

Crystal & Dial

2 specs
AR Coating
Inner
Super-clear coating
Lume
SLN X1 BL C1
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
G10
3X62
Beat Rate
768 vph
28,800 vph
Jewels
4
10
Complications
Chronograph
None

Pricing

1 specs
MSRP
$1,105
$2,600
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