Side by side

Christopher Ward C60 Atoll 300vsSeiko Astron GPS Solar 2025 Limited Edition

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

C60 Atoll 300
Christopher WardC60 Atoll 300
MSRP $1,320
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

17 of 29 specs differ
Diameter
C60 Atoll 30040mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
C60 Atoll 30038h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
C60 Atoll 300300m
Astron GPS Solar 2025 Limited Edition100m
MSRP
C60 Atoll 300$1,320
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
42mm
Thickness
11.3mm
12mm
Lug-to-Lug
47.4mm
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

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

Movement

6 specs
Caliber
SW200-1
3X62
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
10
Complications
Day-date, Date
None

Pricing

1 specs
MSRP
$1,320
$2,600

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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 C60 Atoll 300

Owners widely praise the Christopher Ward C60 Atoll 300 for its superb fit and finish, which reviewers note exceeds its price point, and its comfortable 40mm wearability. The Sellita SW200-1 movement is reported to run close to COSC standards, and the "light catcher" case is frequently highlighted for its jewelry-like quality and beautiful dial that is better appreciated in person. One owner desires a larger 42mm size option, and some users flag a weak or missing anti-reflective coating on the crystal. Overall, owners rate the Christopher Ward C60 Atoll 300 highly for its exceptional case finishing and value.

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.

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