Side by side

Christopher Ward C1 MoonglowvsSeestern S450 Ocean Star

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

C1 Moonglow
Christopher WardC1 Moonglow
MSRP $2,850
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

15 of 29 specs differ
Diameter
C1 Moonglow47.9mm
S450 Ocean Star40mm
Power Reserve
C1 Moonglow38h
S450 Ocean Star41h
Water Resistance
C1 Moonglow30m
S450 Ocean Star100m
MSRP
C1 Moonglow$2,850
S450 Ocean Star$299

Full specifications

Case

7 specs
Category
Diver
Diameter
47.9mm
40mm
Thickness
12.9mm
12mm
Lug-to-Lug
47.9mm
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
100m

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
SLN X1 WL C1
Tritium

Movement

5 specs
Caliber
SW220
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
$2,850
$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 C1 Moonglow

Owners widely praise the Christopher Ward C1 Moonglow for its gorgeous, avant-garde moonphase display and impressive lume, with many finding it comfortable and well-wearing. The constantly rotating moon phase complication is a highlight, and its accuracy is noted as exceptional. However, some find the lume on the date ring disappointing, fading quickly, and one owner finds the second, less visible moon distracting. Overall, owners rate the Christopher Ward C1 Moonglow highly for its visually engaging moonphase and value at the 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.

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