Side by side

Formex Reef 39.5 mmvsSpinnaker Croft 42 Skeleton

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

Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
Croft 42 Skeleton
SpinnakerCroft 42 Skeleton
MSRP $435

At a glance

11 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Croft 42 Skeleton42mm
Power Reserve
Reef 39.5 mm56h
Croft 42 Skeleton40h
Water Resistance
Reef 39.5 mm300m
Croft 42 Skeleton100m
MSRP
Reef 39.5 mm$2,230
Croft 42 Skeleton$435

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
39.5mm
42mm
Thickness
11mm
14mm
Lug-to-Lug
45.5mm
49mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Bahama Blue
Steel
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
SII NH38A
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$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.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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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