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 $1,415
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

14 of 29 specs differ
Diameter
C65 Dune Aeolian40mm
S450 Ocean Star40mm
Power Reserve
C65 Dune Aeolian38h
S450 Ocean Star41h
Water Resistance
C65 Dune Aeolian150m
S450 Ocean Star100m
MSRP
C65 Dune Aeolian$1,415
S450 Ocean Star$299

Full specifications

Case

5 specs
Category
Diver
Thickness
11.7mm
12mm
Lug-to-Lug
43.6mm
48mm
Material
Bronze
316L Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

3 specs
Dial Color
Brown
White
Indices
Roman numerals
Applied
Lume
SLN Light Old Radium BL Grade X1
Tritium

Movement

5 specs
Caliber
SW200-1
TMI NH35A
Beat Rate
4 vph
21,600 vph
Power Reserve
38h
41h
Jewels
26
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,415
$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 unique, textured dial and comfortable 38mm case size, with reviewers noting its excellent finishing for the price and the Bader bracelet as a standout feature. Owners appreciate the clean, date-free dial and the wavy pattern, with one comparing it favorably to Grand Seiko. The bronze variant develops a warm patina over time. Accuracy is reported as COSC-certified and around +4 seconds per day by one owner, while another notes a rating of up to 20 seconds per day. The time-only models feature a Sellita SW200-1 movement with a 38-hour power reserve, though the GMT variant uses a Sellita SW330 with a 56-hour power reserve. Some owners expressed concerns about the sandy texture becoming tiresome or the grey dial blending with the case, and one reviewer found the dial details and applied logo "a bit much." Customer service experiences were mixed, with one owner reporting a frustrating battle and long repair turnaround.

From video reviewers

The watch's unique textured dial is a notable strength, giving it an organic design that sets it apart from other field watches. A weakness is the somewhat lacking lume performance, which may be a drawback for those who prioritize nighttime legibility. Reviewers disagree on the movement's power reserve, with some considering 38 hours sufficient and others finding it too short.

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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