Side by side

Maen Manhattan 40vsSeestern S450 Ocean Star

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

Manhattan 40
MaenManhattan 40
MSRP $799
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Manhattan 4040mm
S450 Ocean Star40mm
Power Reserve
Manhattan 4040h
S450 Ocean Star41h
Water Resistance
Manhattan 40100m
S450 Ocean Star100m
MSRP
Manhattan 40$799
S450 Ocean Star$299

Full specifications

Case

4 specs
Category
Dress
Diver
Thickness
12mm
Lug-to-Lug
48mm
Lug Width
20mm

Crystal & Dial

2 specs
Dial Color
M3.1.1
White
Lume
None
Tritium

Movement

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

Pricing

1 specs
MSRP
$799
$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.

Maen Manhattan 40

Owners appreciate the Maen Manhattan 40's thin case and unique dial, with some finding its proportions too large for smaller wrists. One owner noted a snagging crown and difficult winding action. Accuracy figures vary, with one owner reporting +18s/d to +24s/d on the 37mm version, while another owner of the 40mm model did not specify accuracy. On balance, owners and reviewers find the Maen Manhattan 40 to be a good value, with its thinness and dial finishing being key strengths.

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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