Side by side

Spinnaker Croft 42 SkeletonvsSeiko Monster

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

Croft 42 Skeleton
SpinnakerCroft 42 Skeleton
MSRP $435
Monster
SeikoMonster
MSRP $550

At a glance

14 of 29 specs differ
Diameter
Croft 42 Skeleton42mm
Monster42.4mm
Power Reserve
Croft 42 Skeleton40h
Monster41h
Water Resistance
Croft 42 Skeleton100m
Monster200m
MSRP
Croft 42 Skeleton$435
Monster$550

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
42mm
42.4mm
Thickness
14mm
13.4mm
Lug-to-Lug
49mm
49.4mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Steel
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH38A
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$435
$550

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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 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.

Seiko Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

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