Side by side

Christopher Ward C60 Atoll 300vsSeestern S450 Ocean Star

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
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

15 of 29 specs differ
Diameter
C60 Atoll 30047.4mm
S450 Ocean Star40mm
Power Reserve
C60 Atoll 30038h
S450 Ocean Star41h
Water Resistance
C60 Atoll 300300m
S450 Ocean Star100m
MSRP
C60 Atoll 300$1,320
S450 Ocean Star$299

Full specifications

Case

7 specs
Diameter
47.4mm
40mm
Thickness
11.3mm
12mm
Lug-to-Lug
47.4mm
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
300m
100m
Caseback
Display
Solid

Crystal & Dial

2 specs
Dial Color
Blue
White
Lume
SLN X1 BL C1
Tritium

Movement

5 specs
Caliber
SW200
TMI NH35A
Beat Rate
4 vph
21,600 vph
Power Reserve
38h
41h
Jewels
26
24
Complications
Moonphase, Day-date, Date
GMT, Date

Pricing

1 specs
MSRP
$1,320
$299

Follow this matchup

Get a note when Christopher Ward C60 Atoll 300 vs Seestern S450 Ocean Star gets more votes, a community discussion, or a price drop. No account needed.

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.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.