Sinn - Chronograph Automatic - 103.B.AUTO - Men - 2023
06
days
10
hours
57
minutes
17
seconds
Starting bid
€ 1
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Selected by Berry Harleman
Studied watchmaking with 10 years' experience in the watch trade.
Estimate € 2,000 - € 2,200
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SINN Chronograph Automatic, reference 103.B.AUTO, a 41 mm stainless steel sport watch with a black dial, black leather strap and automatic ETA/Valjoux 7750 movement, issued in 2023 and presented as a full set with original box, papers and 12‑month warranty.
AI-assisted summary
Description from the seller
Discover the SINN Chronograph Automatic, commercial reference 103.B.AUTO and TOT-02356, a watch designed for the action man. Its 41 mm diameter and 16.3 mm thick steel case houses an automatic winding movement, a guarantee of horological precision. The dial is complemented by an original black leather strap, secured by an original pin buckle. With a water resistance of 20 ATM (not tested), this chronograph blends robustness and functionality. Delivered complete, this 2023 piece in good condition comes with a 12-month warranty.
Technical data
Base information
Brand
SINN
Additional title
Full set | Circa 2023 | Cal 7750
Model
Chronograph Automatic
Reference
103.B.AUTO
Ref. TOT
TOT-02356
Year
2023
Condition
Good
Gender
Men
Style
Sport
Delivery contents
Complete
Movement
Type
Automatic winding
Horological functions
Chronograph, Date, Day display
Calibre
ETA/Valjoux 7750
Power reserve
48 h
Number of jewels
25
Frequency
28,800
Case
Material
Steel
Diameter
41 mm
Height
47.3 mm
Thickness
16.3 mm
Water resistance
20 ATM
Bezel
Aluminium
Crystal
Plexiglass
Dial
Color
Black
Numerals
Index/ baton
Bracelet
Material
Leather
Color
Black
Original
Yes
Clasp
Pin buckle
Clasp material
Steel
Original clasp
Yes
Service & Warranty
Warranty
12 months
Accuracy deviation
2 s/day
Amplitude
294°
Water resistance tested
Yes
Discover the SINN Chronograph Automatic, commercial reference 103.B.AUTO and TOT-02356, a watch designed for the action man. Its 41 mm diameter and 16.3 mm thick steel case houses an automatic winding movement, a guarantee of horological precision. The dial is complemented by an original black leather strap, secured by an original pin buckle. With a water resistance of 20 ATM (not tested), this chronograph blends robustness and functionality. Delivered complete, this 2023 piece in good condition comes with a 12-month warranty.
Technical data
Base information
Brand
SINN
Additional title
Full set | Circa 2023 | Cal 7750
Model
Chronograph Automatic
Reference
103.B.AUTO
Ref. TOT
TOT-02356
Year
2023
Condition
Good
Gender
Men
Style
Sport
Delivery contents
Complete
Movement
Type
Automatic winding
Horological functions
Chronograph, Date, Day display
Calibre
ETA/Valjoux 7750
Power reserve
48 h
Number of jewels
25
Frequency
28,800
Case
Material
Steel
Diameter
41 mm
Height
47.3 mm
Thickness
16.3 mm
Water resistance
20 ATM
Bezel
Aluminium
Crystal
Plexiglass
Dial
Color
Black
Numerals
Index/ baton
Bracelet
Material
Leather
Color
Black
Original
Yes
Clasp
Pin buckle
Clasp material
Steel
Original clasp
Yes
Service & Warranty
Warranty
12 months
Accuracy deviation
2 s/day
Amplitude
294°
Water resistance tested
Yes
Details
Brand
Sinn
Gender
Men
Model
Chronograph Automatic
Band material
Leather
Reference number
103.B.AUTO
Shipped insured
Yes
Repainted dial
No
Period
2020-2025
Movement
Automatic
Dial colour
Black
Case material
Stainless steel
Original box included
Yes
Original papers included
Yes
Case diameter
41 mm
Original warranty included
Yes
Condition
Good - visible signs of wear
Year
2023
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