Which is cheaper, the Spinnaker Croft Mid-Size Skeleton or the Tudor Black Bay 54?

At MSRP the Spinnaker Croft Mid-Size Skeleton is the cheaper of the two at $425, against $4,725 for the Tudor Black Bay 54 — a $4,300 gap before any retailer discounting.

Which is bigger, the Spinnaker Croft Mid-Size Skeleton or the Tudor Black Bay 54?

The Spinnaker Croft Mid-Size Skeleton wears larger at 40mm versus 37mm for the Tudor Black Bay 54 — a 3mm difference across the dial.

Which has better water resistance, the Spinnaker Croft Mid-Size Skeleton or the Tudor Black Bay 54?

The Tudor Black Bay 54 is rated to 200m versus 100m for the Spinnaker Croft Mid-Size Skeleton.

Which has a longer power reserve, the Spinnaker Croft Mid-Size Skeleton or the Tudor Black Bay 54?

The Tudor Black Bay 54 carries a 70-hour power reserve against 40 hours on the Spinnaker Croft Mid-Size Skeleton.

What movement does the Spinnaker Croft Mid-Size Skeleton run compared to the Tudor Black Bay 54?

Both watches run automatic movements — the Spinnaker Croft Mid-Size Skeleton uses the SII NH38A and the Tudor Black Bay 54 uses the MT5400.

Side by side

Spinnaker Croft Mid-Size SkeletonvsTudor Black Bay 54

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

Spinnaker Croft Mid-Size Skeleton

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

MSRP $425

Tudor Black Bay 54

m79000b-0001

MSRP $4,725

At a glance

19 of 29 specs differ

Diameter

Croft Mid-Size Skeleton40mm

Black Bay 5437mm

Power Reserve

Croft Mid-Size Skeleton40h

Black Bay 5470h

Water Resistance

Croft Mid-Size Skeleton100m

Black Bay 54200m

MSRP

Croft Mid-Size Skeleton$425

Black Bay 54$4,725

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Dollar Diver

Blue

Lume

None

Super-LumiNova

Movement

6 specs

Caliber

SII NH38A

MT5400

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

70h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$425

$4,725

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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 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

Tudor Black Bay 54

The Tudor Black Bay 54 is widely praised for its compact 37mm size and thin 11.2mm case, offering surprising wrist presence and comfortable wearability with a vintage aesthetic. Reviewers highlight its robust 200-meter water resistance, clean design, and modern features without compromise, powered by Tudor's MT5400 movement with a 70-hour power reserve. One reviewer noted a preference for true vintage or more modern Tudor offerings over time. On balance, reviewers rate the Tudor Black Bay 54 highly for its faithful vintage design and comfortable, modern dive watch experience.

Fratello

Hodinkee

Monochrome

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