Side by side

Christopher Ward C65 Dune AeolianvsSeestern S450 Ocean Star

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C65 Dune Aeolian
Christopher WardC65 Dune Aeolian
MSRP $1,335
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

16 of 29 specs differ
Diameter
C65 Dune Aeolian43.6mm
S450 Ocean Star40mm
Power Reserve
C65 Dune Aeolian38h
S450 Ocean Star41h
Water Resistance
C65 Dune Aeolian150m
S450 Ocean Star100m
MSRP
C65 Dune Aeolian$1,335
S450 Ocean Star$299

Full specifications

Case

8 specs
Category
Diver
Diameter
43.6mm
40mm
Thickness
11.7mm
12mm
Lug-to-Lug
43.6mm
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
150m
100m
Caseback
Display
Solid

Crystal & Dial

2 specs
Dial Color
Blue
White
Lume
SLN BL Grade X1
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
GMT, Date

Pricing

1 specs
MSRP
$1,335
$299

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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 C65 Dune Aeolian

The Christopher Ward C65 Dune Aeolian is widely praised for its improved textured dials, offering depth and a departure from common finishes, with owners specifically noting the stunning sandy texture and wavy dial designs. Its 38mm case is consistently highlighted for its comfortable wearability and neat proportions, featuring satin-finished steel and a compact lug-to-lug. The watch is also recognized for its excellent value, solid finishing, and practical features like 150m water resistance and a screw-down crown. Some owners report impressive accuracy, with one noting a COSC-certified movement gained only 4 seconds in five days, while another states accuracy is rated up to 20 seconds per day. The bronze case variant develops a natural, characterful patina. A short 38-hour power reserve is noted as a drawback, and some find the grey dial blends too much with the case or that the logo is abstract.

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.

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