Side by side

Seestern S450 Ocean StarvsNOMOS Glashütte Zürich Worldtimer midnight blue

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

18 of 29 specs differ
Diameter
S450 Ocean Star40mm
Zürich Worldtimer midnight blue39.9mm
Power Reserve
S450 Ocean Star41h
Zürich Worldtimer midnight blue42 hoursh
Water Resistance
S450 Ocean Star100m
Zürich Worldtimer midnight blue50m
MSRP
S450 Ocean Star$299
Zürich Worldtimer midnight blue$6,870

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
40mm
39.9mm
Thickness
12mm
10.9mm
Lug-to-Lug
48mm
49.4mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Blue
Indices
Applied
Lume
Tritium
None

Movement

4 specs
Caliber
TMI NH35A
DUW 5201
Power Reserve
41h
42 hoursh
Jewels
24
26
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$6,870

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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.

NOMOS Glashütte Zürich Worldtimer midnight blue

Owners and reviewers widely praise the NOMOS Glashütte Zürich Worldtimer midnight blue for its excellent finishing, particularly the deep, textured Blaugold dial and polished case, and its well-regarded Epsilon movement. The dual-timezone complication is noted as sharp and functional, though one reviewer points out it functions as a GMT rather than a true 24-hour worldtimer. Some owners find the dial slightly difficult to read at a glance and the asymmetry of the timezone disk detracts from elegance, while others praise its visual intrigue. The 10.9mm thickness is considered by some to be less ideal for a dress watch compared to thinner options, and the 50mm lug-to-lug length on the 40mm case is a point of contention, with some finding it potentially awkward on smaller wrists. On balance, owners and reviewers highly value the NOMOS Glashütte Zürich Worldtimer midnight blue for its impressive finishing and unique dial at its price point.

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