Side by side

Seiko Prospex SPEEDTIMER MechanicalvsSpinnaker Croft 42 Skeleton

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

Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995
Croft 42 Skeleton
SpinnakerCroft 42 Skeleton
MSRP $435

At a glance

15 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical39.5mm
Croft 42 Skeleton42mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Croft 42 Skeleton40h
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Croft 42 Skeleton100m
MSRP
Prospex SPEEDTIMER Mechanical$995
Croft 42 Skeleton$435

Full specifications

Case

7 specs
Category
Chronograph
Sport
Diameter
39.5mm
42mm
Thickness
12mm
14mm
Lug-to-Lug
44.5mm
49mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Curved
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
6R55
SII NH38A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$995
$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 Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

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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