Side by side

Christopher Ward C60 Atoll 300vsSeiko Prospex Sea Save the Ocean Special 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

At a glance

16 of 29 specs differ
Diameter
C60 Atoll 30047.4mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
C60 Atoll 30038h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
C60 Atoll 300300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
C60 Atoll 300$1,320
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

7 specs
Diameter
47.4mm
45mm
Thickness
11.3mm
13.2mm
Lug-to-Lug
47.4mm
47.7mm
Lug Width
20mm
22mm
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
300m
200m
Caseback
Display
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
SW200
4R36
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
41h
Jewels
26
24
Complications
Moonphase, 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, with its "light catcher" case described as jewelry-like and its dial as beautiful and well-coordinated with the strap. The Sellita SW200-1 movement is noted for running near COSC standards, though one owner reports accuracy around -6 seconds per day while another notes +1/+2 seconds per day. Some users desire a larger 42mm size option. On balance, owners rate the Christopher Ward C60 Atoll 300 highly for its exceptional case finishing and dial aesthetics at its price point.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

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