Which is cheaper, the Sinn 103 St Ty Hd or the Spinnaker Dumas Automatic?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $2,797 for the Sinn 103 St Ty Hd — a $2,558 gap before any retailer discounting.

Which is bigger, the Sinn 103 St Ty Hd or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic wears larger at 44mm versus 41mm for the Sinn 103 St Ty Hd — a 3mm difference across the dial.

Which has better water resistance, the Sinn 103 St Ty Hd or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic is rated to 300m versus 200m for the Sinn 103 St Ty Hd.

Which has a longer power reserve, the Sinn 103 St Ty Hd or the Spinnaker Dumas Automatic?

The Sinn 103 St Ty Hd carries a 48-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

What movement does the Sinn 103 St Ty Hd run compared to the Spinnaker Dumas Automatic?

Both watches run automatic movements — the Sinn 103 St Ty Hd uses the ETA 7750 and the Spinnaker Dumas Automatic uses the SII NH35A.

Side by side

Sinn 103 St Ty HdvsSpinnaker Dumas Automatic

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 Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

17 of 29 specs differ

Diameter

103 St Ty Hd41mm

Dumas Automatic44mm

Power Reserve

103 St Ty Hd48h

Dumas Automatic40h

Water Resistance

103 St Ty Hd200m

Dumas Automatic300m

MSRP

103 St Ty Hd$2,797

Dumas Automatic$239

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Black

Blue

Indices

—

Applied

Movement

3 specs

Caliber

ETA 7750

SII NH35A

Power Reserve

48h

40h

Jewels

Pricing

1 specs

MSRP

$2,797

$239

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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 Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

WatchUSeek

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