Side by side

Seestern S450 Ocean StarvsHorage Supersede Dual Time

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Supersede Dual Time
HorageSupersede Dual Time
MSRP $6,710

At a glance

16 of 29 specs differ
Diameter
S450 Ocean Star40mm
Supersede Dual Time39.5mm
Power Reserve
S450 Ocean Star41h
Supersede Dual Time72h
Water Resistance
S450 Ocean Star100m
Supersede Dual Time200m
MSRP
S450 Ocean Star$299
Supersede Dual Time$6,710

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
39.5mm
Thickness
12mm
9.85mm
Lug-to-Lug
48mm
46.29mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
No
Dial Color
White
Denim Blue
Lume
Tritium
Super-LumiNova

Movement

5 specs
Caliber
TMI NH35A
Horage K2
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
72h
Jewels
24
25
Complications
GMT, Date
Dual Time

Pricing

1 specs
MSRP
$299
$6,710

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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.

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.

Horage Supersede Dual Time

The Horage Supersede Dual Time is widely praised for its technically impressive, 98% in-house micro-rotor GMT movement, thin 10mm case, and 39.5mm size, along with excellent finishing and a comfortable bracelet. Owners also note its robust 200m water resistance and 904L steel construction. Some reviewers find the GMT sub-dial illegible, and one owner reported a bezel alignment issue requiring repair, while another flagged the date setting as potentially confusing. The $8,000 price point is considered high by some, though others view it as exceptional value for the movement and build quality. On balance, owners and reviewers rate the Horage Supersede Dual Time highly for its innovative micro-rotor GMT movement and high level of finishing at its price point.

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