← Sinn
Sinn
857
Compare this collection857
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
The house
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
- Headquarters
- Frankfurt am Main, Germany
- Signature materials
- Tegimented steel, submarine steel, German silver
- Signature movements
- SW300-1 (Sellita), Valjoux/ETA 7750-based chronographs
- Notable designers
- In-house design studio