Side by side

Christopher Ward The C12 LocovsSeestern S450 Ocean Star

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

The C12 Loco
Christopher WardThe C12 Loco
MSRP $5,460
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

16 of 29 specs differ
Diameter
The C12 Loco47.5mm
S450 Ocean Star40mm
Power Reserve
The C12 Loco144h
S450 Ocean Star41h
Water Resistance
The C12 Loco30m
S450 Ocean Star100m
MSRP
The C12 Loco$5,460
S450 Ocean Star$299

Full specifications

Case

8 specs
Category
Diver
Diameter
47.5mm
40mm
Thickness
13.7mm
12mm
Lug-to-Lug
47.5mm
48mm
Lug Width
25mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
30m
100m

Crystal & Dial

2 specs
Dial Color
Blue
White
Lume
Super-LumiNova
Tritium

Movement

5 specs
Caliber
CW-003
TMI NH35A
Beat Rate
4 vph
21,600 vph
Power Reserve
144h
41h
Jewels
29
24
Complications
Moonphase, Day-date, Date
GMT, Date

Pricing

1 specs
MSRP
$5,460
$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 The C12 Loco

Owners widely praise the Christopher Ward The C12 Loco for its unusual technical ambition, well-finished movement aesthetics, and value, particularly noting the dial-side floating free-sprung balance. Some owners find the mid-case design creates odd proportions, and the 30m water resistance is flagged as a limitation. The watch features a manually wound twin-barrel movement in a 41mm steel case with a 47.5mm lug-to-lug and 13.7mm thickness. Overall, owners rate the Christopher Ward The C12 Loco highly for its ambitious movement design and value 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.

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