Side by side

Spinnaker HullvsSeiko King Turtle

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

Hull
SpinnakerHull
MSRP $159
King Turtle
SeikoKing Turtle
MSRP $650

At a glance

12 of 29 specs differ
Diameter
Hull42mm
King Turtle45mm
Power Reserve
Hull40h
King Turtle41h
Water Resistance
Hull100m
King Turtle200m
MSRP
Hull$159
King Turtle$650

Full specifications

Case

5 specs
Diameter
42mm
45mm
Thickness
15mm
13.2mm
Lug-to-Lug
47.5mm
47.7mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Volcanic Black
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
SII NH35A
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$159
$650

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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.

Spinnaker Hull

The Spinnaker Hull is widely praised by owners for its textured or deep sandwich dials, bold cushion case design, and vintage charm, with one owner finding its jubilee bracelet superior to Seiko's. The meca-quartz movement is a common feature, and the watch offers 100m water resistance. However, the 24-hour subdial is considered functionally illogical and visually unappealing by one owner, and the mineral crystal is noted as a drawback compared to sapphire. On balance, owners rate the Spinnaker Hull highly for its significant style and value at its budget price point.

From video reviewers

The watch's lume is a strong point. Reviewers noted the absence of a sapphire crystal as a drawback.

Seiko King Turtle

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many appreciating its faithful recreation of classic designs and proven movements like the 4R36 and 6R15. Reviewers highlight impressive case finishing and durability, noting that even larger models wear smaller than expected due to thoughtful case design. Some owners find the solar quartz models a great entry point, appreciating their design and solar functionality. However, specific variants receive critiques: the bracelet clasp on the Samurai is described as underwhelming, and the Sumo's bracelet width and clasp are seen as too narrow and rudimentary, respectively. The SPB183 is considered expensive for a Japanese watch, and its lume is noted as not quite matching older Seiko Monster models. The GMT function on the SPB519 is deemed less practical for serious travel, and its bezel clicks are described as quieter and mushier.

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