Which is cheaper, the Sinn 103 St Ty Hd or the Spinnaker Croft Mid-Size Skeleton?

At MSRP the Spinnaker Croft Mid-Size Skeleton is the cheaper of the two at $425, against $2,797 for the Sinn 103 St Ty Hd — a $2,372 gap before any retailer discounting.

Which is bigger, the Sinn 103 St Ty Hd or the Spinnaker Croft Mid-Size Skeleton?

The Sinn 103 St Ty Hd wears larger at 41mm versus 40mm for the Spinnaker Croft Mid-Size Skeleton — a 1mm difference across the dial.

Which has better water resistance, the Sinn 103 St Ty Hd or the Spinnaker Croft Mid-Size Skeleton?

The Sinn 103 St Ty Hd is rated to 200m versus 100m for the Spinnaker Croft Mid-Size Skeleton.

Which has a longer power reserve, the Sinn 103 St Ty Hd or the Spinnaker Croft Mid-Size Skeleton?

The Sinn 103 St Ty Hd carries a 48-hour power reserve against 40 hours on the Spinnaker Croft Mid-Size Skeleton.

What movement does the Sinn 103 St Ty Hd run compared to the Spinnaker Croft Mid-Size Skeleton?

Both watches run automatic movements — the Sinn 103 St Ty Hd uses the ETA 7750 and the Spinnaker Croft Mid-Size Skeleton uses the SII NH38A.

Side by side

Sinn 103 St Ty HdvsSpinnaker Croft Mid-Size Skeleton

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

Sinn 103 St Ty Hd

103 St Ty Hd

MSRP $2,797

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

16 of 29 specs differ

Diameter

103 St Ty Hd41mm

Croft Mid-Size Skeleton40mm

Power Reserve

103 St Ty Hd48h

Croft Mid-Size Skeleton40h

Water Resistance

103 St Ty Hd200m

Croft Mid-Size Skeleton100m

MSRP

103 St Ty Hd$2,797

Croft Mid-Size Skeleton$425

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Black

Dollar Diver

Indices

—

Applied

Movement

3 specs

Caliber

ETA 7750

SII NH38A

Power Reserve

48h

40h

Jewels

Pricing

1 specs

MSRP

$2,797

$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.

Sinn 103 St Ty Hd

The Sinn 103 St Ty Hd is widely praised as a stunning, heritage-inspired pilot's chronograph with a utilitarian feel and bold red accents on a black dial. Owners note it offers a different experience compared to typical Sinn watches. It features a hand-wound Sellita SW510 M movement, a 58-hour power reserve, 20 ATM water resistance, and impact-resistant acrylic glass. The Sinn 103 St Ty Hd is priced at €2,590 and is limited to 1,000 units. On balance, owners and reviewers rate the Sinn 103 St Ty Hd highly for its unique aesthetic and tool watch attributes.

From video reviewers

The watch's robustness and ability to withstand extreme conditions without compromising accuracy are notable strengths. The relatively high price point is a shared weakness. Reviewers disagree on the watch's thickness, with one reviewer considering it a drawback and the other not mentioning it.

WatchUSeek·2

Fratello

Hodinkee

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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