Side by side

Seestern S450 Ocean StarvsSpinnaker Hull Chronograph

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Hull Chronograph
SpinnakerHull Chronograph
MSRP $149

At a glance

13 of 29 specs differ
Diameter
S450 Ocean Star40mm
Hull Chronograph42mm
Power Reserve
S450 Ocean Star41h
Hull Chronograph40h
Water Resistance
S450 Ocean Star100m
Hull Chronograph100m
MSRP
S450 Ocean Star$299
Hull Chronograph$149

Full specifications

Case

4 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
12mm
15mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
Dial Color
White
Maroon
Lume
Tritium
None

Movement

6 specs
Caliber
TMI NH35A
Seiko VK64
Type
Automatic
Quartz
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$149

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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.

Spinnaker Hull Chronograph

Owners widely praise the Spinnaker Hull Chronograph for its stunning textured dial and impressive value, with a meca-quartz movement offering quartz accuracy and mechanical chronograph function. The build quality, including a milled clasp, solid links, and sapphire crystal with AR coating, is noted as exceeding expectations for the price. One owner finds the 42mm case wearable due to short lugs, while another describes the dial as gorgeous and the watch as running perfectly. However, one owner reports a $198 repair quote for a cracked crystal, described as "fused to the case," though other forum members dispute this cost. The lume is considered mediocre, and the 24-hour subdial is seen by one owner as functionally futile. On balance, owners rate the Spinnaker Hull Chronograph highly for its exceptional dial and build quality at its price point.

From video reviewers

The Spinnaker Burnt Maroon features a reliable and accurate Seiko VK73 movement. A suitable lug-to-lug fit makes it suitable for smaller wrists. The watch's 15mm thickness may be a drawback for some, particularly those with smaller wrists or those who prefer a more compact watch.

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