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Sinn 103 StvsBreitling Classic Avi Chronograph 42 P 51 Mustang

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

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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

The Sinn 103 St is widely praised for its classic chronograph appeal and purposeful 41mm size, with owners finding the Ty Hd variant stunning in person. Reviewers highlight its domed acrylic crystal and consider the model an outstanding value for the money. Some owners note the 103 St Sa E's 17mm thickness may be an issue, despite its wearable case dimensions. The Sinn 103 St is also recognized as a space-capable watch, having been worn on a MIR mission. Overall, owners and reviewers rate the Sinn 103 St highly for its classic chronograph design and strong value proposition.

Breitling Classic Avi Chronograph 42 P 51 Mustang

Owners widely appreciate the Breitling Classic Avi Chronograph 42 P 51 Mustang for its retro dial and hands, with one owner finding the 42mm size perfect after initial hesitation. Some owners note the pushers are crisp and smooth, and the case and bracelet can develop fine scratches with daily wear. One owner finds the winding crown action rough and can feel the rotor turning. The Breitling Classic Avi Chronograph 42 P 51 Mustang is priced at $5,800 and uses the Breitling 23 automatic movement. On balance, owners find the Breitling Classic Avi Chronograph 42 P 51 Mustang to be an underappreciated watch with an appealing retro design, though some find the size and price points debatable.

At a glance

21 of 29 specs differ
Diameter
103 St41mm
Classic Avi Chronograph 42 P 51 Mustang42mm
Power Reserve
103 St48h
Classic Avi Chronograph 42 P 51 Mustang48h
Water Resistance
103 St200m
Classic Avi Chronograph 42 P 51 Mustang100m
MSRP
103 St$2,538
Classic Avi Chronograph 42 P 51 Mustang$6,050

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
41mm
42mm
Thickness
15.5mm
14.7mm
Lug Width
20mm
0mm
Material
Stainless Steel
18kt Pink Gold
Finish
polished
Stainless steel
Water Resistance
200m
100m
Caseback

Crystal & Dial

6 specs
Crystal
Acrylic
Sapphire
Crystal Shape
AR Coating
Dial Color
Black
Indices
Lume
Luminescent
None

Movement

6 specs
Caliber
Concepto C99001
Breitling 23
Beat Rate
28,800 vph
0 vph
Jewels
25
0
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Date, Day-Date, Chronograph, Pilot's Bezel
Chronograph

Pricing

1 specs
MSRP
$2,538
$6,050
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