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 $625

At a glance

14 of 29 specs differ
Diameter
C60 Atoll 30040mm
Prospex Sea43.8mm
Power Reserve
C60 Atoll 30038h
Prospex Sea41h
Water Resistance
C60 Atoll 300300m
Prospex Sea200m
MSRP
C60 Atoll 300$1,320
Prospex Sea$625

Full specifications

Case

5 specs
Diameter
40mm
43.8mm
Thickness
11.3mm
12.8mm
Lug-to-Lug
47.4mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

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
4R35
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
41h
Jewels
26
23
Complications
Day-date, Date
None

Pricing

1 specs
MSRP
$1,320
$625

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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

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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