Side by side

Seestern S450 Ocean StarvsYema Superman Heritage

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Superman Heritage
YemaSuperman Heritage
MSRP $1,004

At a glance

14 of 29 specs differ
Diameter
S450 Ocean Star40mm
Superman Heritage39mm
Power Reserve
S450 Ocean Star41h
Superman Heritage40h
Water Resistance
S450 Ocean Star100m
Superman Heritage300m
MSRP
S450 Ocean Star$299
Superman Heritage$1,004

Full specifications

Case

5 specs
Diameter
40mm
39mm
Thickness
12mm
11.3mm
Lug-to-Lug
48mm
Lug Width
20mm
19mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
White
39mm Automatic
Lume
Tritium
None

Movement

5 specs
Caliber
TMI NH35A
Sellita SW200
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$1,004

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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.

Yema Superman Heritage

Owners widely praise the Yema Superman Heritage for its vintage aesthetic, comfortable bracelet with drilled lugs, and impressive packaging. Reviewers highlight its striking sunburst dial and unique bezel-lock mechanism. Some owners criticize bezel play, misaligned bezels, contrasting case and bracelet finishes, and long lugs. One reviewer notes that the high-polished case and dial color variation may affect legibility for some. On balance, owners and reviewers appreciate the Yema Superman Heritage for its authentic 1970s vibe and vintage charm.

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