Side by side

Seiko King Seiko KSKvsSpinnaker Croft 42 Skeleton

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900
Croft 42 Skeleton
SpinnakerCroft 42 Skeleton
MSRP $435

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK36.1mm
Croft 42 Skeleton42mm
Power Reserve
King Seiko KSK72h
Croft 42 Skeleton40h
Water Resistance
King Seiko KSK100m
Croft 42 Skeleton100m
MSRP
King Seiko KSK$1,900
Croft 42 Skeleton$435

Full specifications

Case

6 specs
Category
Dress
Sport
Diameter
36.1mm
42mm
Thickness
11.6mm
14mm
Lug-to-Lug
43mm
49mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Steel
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
6R51
SII NH38A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,900
$435

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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.

Seiko King Seiko KSK

The King Seiko KSK is widely praised for its refined finishing, with owners and reviewers noting its sharp case, faceted lugs, and well-executed dial indices, often comparing its polishing favorably to Grand Seiko. Enthusiasts appreciate its slim, retro design, with some stating it wears smaller than its official size due to the cushion case and close-to-the-wrist feel. The use of the slimline Calibre 6L35 movement is seen as an upgrade, maintaining the watch's slender profile, though some owners express concern over the price point and the perceived value of the movement. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day, while another notes +15/-10 seconds per day. Some owners have noted minor quality control issues such as misaligned screws or a burr on a hand. On balance, owners and reviewers rate the King Seiko KSK highly for its exceptional case and dial finishing at its price point.

Spinnaker Croft 42 Skeleton

Owners widely report the Spinnaker Croft 42 Skeleton offers good build quality for its price, with some finding it a decent buy on sale. Reviewers note the 42mm case provides significant wrist presence. However, opinions are split on legibility and aesthetics, with some finding it poorly executed and uninteresting while others consider it one of the more legible skeleton watches. The watch is powered by a Seiko NH70 automatic movement with a 41-hour power reserve, though one reviewer considered the movement uninteresting. The bracelet and clasp are considered mediocre for the price point. Overall, owners and reviewers find the Spinnaker Croft 42 Skeleton to be a polarizing but potentially good value skeletonized dive watch when purchased on sale, with its build quality being a key positive for many.

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