Side by side

Sinn 103 St Ty HdvsSpinnaker Dumas GMT

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

103 St Ty Hd
Sinn103 St Ty Hd
MSRP $2,797
Dumas GMT
SpinnakerDumas GMT
MSRP $399
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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

At a glance

17 of 29 specs differ
Diameter
103 St Ty Hd41mm
Dumas GMT44mm
Power Reserve
103 St Ty Hd48h
Dumas GMT40h
Water Resistance
103 St Ty Hd200m
Dumas GMT300m
MSRP
103 St Ty Hd$2,797
Dumas GMT$399

Full specifications

Case

9 specs
Category
Tool
GMT
Diameter
41mm
44mm
Thickness
14.7mm
15mm
Lug-to-Lug
48mm
Lug Width
20mm
22mm
Material
stainless steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Blue
Indices
Applied

Movement

3 specs
Caliber
ETA 7750
Seiko NH34A
Power Reserve
48h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$2,797
$399
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