Side by side

Christopher Ward C60 Atoll 300vsSeiko Prospex Sea

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
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

12 of 29 specs differ
Diameter
C60 Atoll 30040mm
Prospex Sea41.3mm
Power Reserve
C60 Atoll 30038h
Prospex Sea72h
Water Resistance
C60 Atoll 300300m
Prospex Sea300m
MSRP
C60 Atoll 300$1,320
Prospex Sea$1,100

Full specifications

Case

3 specs
Diameter
40mm
41.3mm
Thickness
11.3mm
12.5mm
Lug-to-Lug
47.4mm
48.2mm

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
SLN X1 BL C1
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
SW200-1
6R55
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
24
Complications
Day-date, Date
None

Pricing

1 specs
MSRP
$1,320
$1,100

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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 Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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