← All maisons

Sinn

German tool-watch maker renowned for proprietary technologies like Tegiment hardening, dehumidifying capsules, and diesel oil case cushioning developed for pilots and divers.

Founded
1961
Founder
Helmut Sinn
Country
Germany
Headquarters
Frankfurt am Main, Germany
Status
Independent, employee-owned since 1994 under Lothar Schmidt
Signature materials
Tegimented steel, submarine steel, German silver
Signature movements
SW300-1 (Sellita), Valjoux/ETA 7750-based chronographs
Notable designers
In-house design studio
Collections
8
Every collection

Collections & specifications

U1

2000

Flagship U-boat steel diver's watch made from submarine steel, resistant to seawater corrosion.

Category
Dive
Designers
In-house design studio
Case materials
U-boat steel (submarine steel), Tegimented steel
Sizes
44mm
Dial
Matte black
Crystal
Sapphire
Strap / bracelet
Steel bracelet, rubber, silicone
Movements
SW200-1 (Sellita)
Movement type
Automatic
Power reserve
38 hours
Water resistance
1000m
Complications
Date
Key references
U1 SDR, U1 S
Price band
$2,200–$3,200
Full U1 dossier →

U2

2005

Titanium-cased diver variant of the U1 with even greater depth rating and lighter weight.

Category
Dive
Designers
In-house design studio
Case materials
Titanium, Tegimented titanium
Sizes
44mm
Dial
Matte black
Crystal
Sapphire
Strap / bracelet
Titanium bracelet, silicone
Movements
SW200-1 (Sellita)
Movement type
Automatic
Power reserve
38 hours
Water resistance
2000m
Complications
Date
Key references
U2 EZM 5
Price band
$2,800–$3,800
Full U2 dossier →

103

1970s

Classic pilot's chronograph, one of Sinn's oldest continuously produced references.

Category
Pilot
Designers
In-house design studio
Case materials
Stainless steel
Sizes
41mm
Dial
Black with luminous chronograph subdials
Crystal
Sapphire
Strap / bracelet
Leather, steel bracelet
Movements
Valjoux 7750 (SZ01)
Movement type
Automatic
Power reserve
44 hours
Water resistance
200m
Complications
Date · Chronograph
Key references
103 St Sa, 103 Ti
Price band
$2,600–$3,600
Full 103 dossier →

104

1980s

Pilot's chronograph variant with cleaner three-register layout and date complication.

Category
Pilot
Designers
In-house design studio
Case materials
Stainless steel
Sizes
41mm
Dial
Black, tri-compax layout
Crystal
Sapphire
Strap / bracelet
Leather, steel bracelet
Movements
Valjoux 7750 (SZ01)
Movement type
Automatic
Power reserve
44 hours
Water resistance
200m
Complications
Date · Chronograph
Key references
104 St Sa
Price band
$2,500–$3,500
Full 104 dossier →

556

1997

Entry point into the Sinn range, a versatile three-hand sport watch with excellent value.

Category
Sport
Designers
In-house design studio
Case materials
Stainless steel
Sizes
38.5mm
Dial
Black, white
Crystal
Sapphire
Strap / bracelet
Leather, steel bracelet
Movements
SW200-1 (Sellita)
Movement type
Automatic
Power reserve
38 hours
Water resistance
200m
Complications
Date
Key references
556 I, 556 A
Price band
$1,300–$1,900
Full 556 dossier →

857

1990s

Rugged diver's chronograph combining Sinn's dive and chronograph technologies.

Category
Dive
Designers
In-house design studio
Case materials
Stainless steel, Tegimented steel
Sizes
40mm
Dial
Black
Crystal
Sapphire
Strap / bracelet
Steel bracelet, silicone
Movements
Valjoux 7750 (SZ01)
Movement type
Automatic
Power reserve
44 hours
Water resistance
500m
Complications
Date · Chronograph
Key references
857 UTC
Price band
$3,000–$4,200
Full 857 dossier →

EZM

1997

Einsatzzeitmesser (mission timer) series developed with German special forces and rescue units.

Category
Tool
Designers
In-house design studio
Case materials
Stainless steel, titanium, Tegimented steel
Sizes
41mm–45mm
Dial
Matte black
Crystal
Sapphire
Strap / bracelet
Silicone, textile strap
Movements
SW200-1, Valjoux 7750-based
Movement type
Automatic
Power reserve
38–44 hours
Water resistance
200–1000m
Complications
Date · Chronograph (select models)
Key references
EZM 3, EZM 13
Price band
$2,200–$3,800
Full EZM dossier →

Watch line highlighting Sinn's proprietary Tegiment surface-hardening technology for extreme scratch resistance.

Category
Tool
Designers
In-house design studio
Case materials
Tegimented stainless steel
Sizes
41mm–44mm
Dial
Matte black
Crystal
Sapphire
Strap / bracelet
Steel bracelet, rubber
Movements
SW200-1 (Sellita)
Movement type
Automatic
Power reserve
38 hours
Water resistance
200–1000m
Complications
Date
Key references
U1 T, 104 St Sa T
Price band
$2,200–$3,200
Full Tegimented dossier →