Side by side

Christopher Ward C60 Atoll 300vsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

12 of 29 specs differ
Diameter
C60 Atoll 30040mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
C60 Atoll 30038h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
C60 Atoll 300300m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
C60 Atoll 300$1,320
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

2 specs
Thickness
11.3mm
13mm
Lug-to-Lug
47.4mm
46.4mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
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
$1,300

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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 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

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