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Sinn 103 StvsBreitling Avenger B01 Chronograph

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 Avenger B01 Chronograph

The Breitling Avenger B01 Chronograph is widely praised for its refined case finishing, including stepped lug bevels and brushed middle cases, and its smooth, in-house B01 chronograph action. Owners appreciate the improved readability with updated dials and stick hands, and some find its heft surprisingly unnoticeable for a tool watch. The collection features the Breitling B01 automatic movement with a 70-hour power reserve and retains 300m water resistance, with prices starting at $8,000. Some owners express disappointment with the latest design, feeling it has lost its rugged tool watch DNA and iconic wings logo, preferring older versions for their case detailing and classic aesthetic. On balance, owners and reviewers appreciate the Breitling Avenger B01 Chronograph for its refined aviation style and the performance of its in-house B01 movement.

At a glance

22 of 29 specs differ
Diameter
103 St41mm
Avenger B01 Chronograph42mm
Power Reserve
103 St48h
Avenger B01 Chronograph70h
Water Resistance
103 St200m
Avenger B01 Chronograph300m
MSRP
103 St$2,538
Avenger B01 Chronograph$7,150

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
41mm
42mm
Thickness
15.5mm
15.05mm
Lug-to-Lug
0mm
Lug Width
20mm
22mm
Finish
polished
Stainless steel
Water Resistance
200m
300m
Caseback

Crystal & Dial

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

Movement

7 specs
Caliber
Concepto C99001
Breitling B01
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
70h
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
$7,150
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