Side by side

Sinn 103 St Ty HdvsLongines LONGINES SECTOR DIAL

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
LONGINES SECTOR DIAL
LonginesLONGINES SECTOR DIAL
MSRP $2,750

At a glance

16 of 29 specs differ
Diameter
103 St Ty Hd41mm
LONGINES SECTOR DIAL38.5mm
Power Reserve
103 St Ty Hd48h
LONGINES SECTOR DIAL40h
Water Resistance
103 St Ty Hd200m
LONGINES SECTOR DIAL30m
MSRP
103 St Ty Hd$2,797
LONGINES SECTOR DIAL$2,750

Full specifications

Case

8 specs
Category
Tool
Diameter
41mm
38.5mm
Thickness
14.7mm
11mm
Lug-to-Lug
47.6mm
Lug Width
20mm
19mm
Finish
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
ETA 7750
L893.5
Power Reserve
48h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$2,797
$2,750

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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.

LONGINES SECTOR DIAL

The Longines Sector Dial wins broad praise for its faithful 1934-inspired sector dial design and exceptional readability, paired with a well-proportioned 38.5mm case that appeals to fans of vintage proportions. Owners consistently highlight the dial's visual presence in sunlight and strong value relative to Longines' current positioning, while reviewers commend the modern L893 movement with silicon hairspring and clean finishing. The 47mm lug-to-lug length and 19mm lug width draw mixed reactions — some find the lugs elongated for the case size, and one owner views the strap width as undersizing the case proportionally; others note the small seconds subdial bisects the 6, and the polished caseback invites scratches. The 30-meter water resistance is flagged as modest for daily wear.

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