Side by side

Echo/Neutra 1956 3HvsSeestern S450 Ocean Star

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

1956 3H
Echo/Neutra1956 3H
MSRP $1,025
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

14 of 29 specs differ
Diameter
1956 3H40mm
S450 Ocean Star40mm
Power Reserve
1956 3H41h
S450 Ocean Star41h
Water Resistance
1956 3H100m
S450 Ocean Star100m
MSRP
1956 3H$1,025
S450 Ocean Star$299

Full specifications

Case

5 specs
Category
Diver
Thickness
11.9mm
12mm
Lug-to-Lug
46mm
48mm
Finish
Brushed + Polished
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Ultra-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
White
Lume
Superluminova Old Radium
Tritium

Movement

4 specs
Caliber
Sellita SW200-1 elaboré
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Jewels
26
24
Complications
GMT, Moonphase, Date
GMT, Date

Pricing

1 specs
MSRP
$1,025
$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.

Echo/Neutra 1956 3H

Owners widely praise the Echo/Neutra 1956 3H for its exceptionally well-executed bracelet, with one owner comparing it favorably to Rolex Oyster bracelets and noting the gray dial exceeded build quality expectations. The watch features a dramatic box-domed sapphire crystal and a unique blend of vintage tool-watch and mid-century design elements. However, reviewers flag legibility challenges in low light due to its fixed, lumed bezel and non-lumed dial, and some may find the branding polarizing. Overall, owners rate the Echo/Neutra 1956 3H highly for its unique character and comfortable wearability, particularly appreciating the bracelet's quality.

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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