Side by side

Henry Archer NordsøvsSeestern S450 Ocean Star

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

Nordsø
Henry ArcherNordsø
MSRP $4,999
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

10 of 29 specs differ
Diameter
Nordsø40mm
S450 Ocean Star40mm
Power Reserve
Nordsø40h
S450 Ocean Star41h
Water Resistance
Nordsø200m
S450 Ocean Star100m
MSRP
Nordsø$4,999
S450 Ocean Star$299

Full specifications

Case

3 specs
Thickness
10.6mm
12mm
Lug-to-Lug
47mm
48mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Lume
None
Tritium

Movement

5 specs
Caliber
Miyota 9015
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
$4,999
$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.

Henry Archer Nordsø

Henry Archer Nordsø owners and reviewers widely praise its exceptional fit and finish for a sub-$500 watch, with its vibrant color use singled out as a strong point. Some find the blue hand against the green dial polarizing, and the hands are criticized as a design weakness. One reviewer notes the bezel knurling is slippery and lacks legibility for serious diving, though the 40mm size is comfortable and the Miyota 9039 movement offers good value. On balance, owners and reviewers rate the Henry Archer Nordsø highly for its striking design and impressive build quality 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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