Which is cheaper, the Formex Reef 39.5 mm or the Spinnaker Croft Mid-Size Skeleton?

At MSRP the Spinnaker Croft Mid-Size Skeleton is the cheaper of the two at $425, against $2,230 for the Formex Reef 39.5 mm — a $1,805 gap before any retailer discounting.

Which is bigger, the Formex Reef 39.5 mm or the Spinnaker Croft Mid-Size Skeleton?

The Spinnaker Croft Mid-Size Skeleton wears larger at 40mm versus 39.5mm for the Formex Reef 39.5 mm — a 0.5mm difference across the dial.

Which has better water resistance, the Formex Reef 39.5 mm or the Spinnaker Croft Mid-Size Skeleton?

The Formex Reef 39.5 mm is rated to 300m versus 100m for the Spinnaker Croft Mid-Size Skeleton.

Which has a longer power reserve, the Formex Reef 39.5 mm or the Spinnaker Croft Mid-Size Skeleton?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Spinnaker Croft Mid-Size Skeleton.

What movement does the Formex Reef 39.5 mm run compared to the Spinnaker Croft Mid-Size Skeleton?

Both watches run automatic movements — the Formex Reef 39.5 mm uses the Sellita SW300-1 and the Spinnaker Croft Mid-Size Skeleton uses the SII NH38A.

Side by side

Formex Reef 39.5 mmvsSpinnaker Croft Mid-Size Skeleton

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

Formex Reef 39.5 mm

reef-39.5-automatic-chronometer-cosc-300m-bahama-blue

MSRP $2,230

Spinnaker Croft Mid-Size Skeleton

croft-mid-size-skeleton-automatic-spongebob-squarepants-peek-a-boo-limited-edition-dollar-diver-sp-5152-01

MSRP $425

At a glance

12 of 29 specs differ

Diameter

Reef 39.5 mm39.5mm

Croft Mid-Size Skeleton40mm

Power Reserve

Reef 39.5 mm56h

Croft Mid-Size Skeleton40h

Water Resistance

Reef 39.5 mm300m

Croft Mid-Size Skeleton100m

MSRP

Reef 39.5 mm$2,230

Croft Mid-Size Skeleton$425

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Bahama Blue

Dollar Diver

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW300-1

SII NH38A

Power Reserve

56h

40h

Pricing

1 specs

MSRP

$2,230

$425

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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.

Fratello·2

A Blog to Watch

Time + Tide

Spinnaker Croft Mid-Size Skeleton

The Spinnaker Croft Mid-Size Skeleton is noted for its 40mm steel case, sapphire crystal, and 150m water resistance. One owner reports strong performance from the TMI NH70 movement at -3 seconds per day, with very nice lume. On balance, owners find the Spinnaker Croft Mid-Size Skeleton to be a pretty nice option, particularly for its movement performance and lume.

WatchUSeek·2

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