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Brand: Tissot
Collection: Seastar 2000 Professional
Reference number: T120.607.17.441.01
Movement: Swiss automatic
Manufacture: Switzerland
Watch type: Professional dive watch
Release period: Around 2022 onward
This model is built to ISO 6425 diver-watch standards, meaning it is suitable for professional diving.
Case material: 316L stainless steel
Diameter: 46 mm
Thickness: ~16 mm
Lug width: 22 mm
Case shape: Round
Case back: Transparent sapphire caseback
The case is much larger than Seastar 1000 models and designed for maximum underwater durability.
Water resistance: 600 m / 60 bar / 2000 ft
Helium escape valve: Yes
ISO 6425 diver certification: Yes
This rating allows the watch to be used for deep professional diving.
Caliber: Powermatic 80.111
Movement type: Automatic (self-winding)
Power reserve: 80 hours
Jewels: 23
Frequency: 21,600 vibrations/hour
Anti-magnetic technology: Nivachron balance spring
Key advantages of this movement:
- Very long 80-hour power reserve (over 3 days)
- Improved magnetic resistance
- Higher efficiency than standard ETA automatic movements.
Bezel type: Unidirectional rotating dive bezel
Material: Ceramic bezel insert
Grip: Deep notched edge for easy rotation
Ceramic is highly scratch-resistant and maintains color over time.
Dial color: Black / gradient dark dial
Markers: Applied indices
Hands: Luminous diver hands
Lume: Super-LumiNova
Date window: At 6 o’clock
The design prioritizes maximum underwater readability.
Crystal material: Domed sapphire crystal
Coating: Anti-reflective coating
Sapphire is extremely scratch-resistant and ideal for diving watches.
Strap material: Black rubber / silicone strap
Clasp: Stainless steel pin buckle
Feature: Quick-release strap system
Rubber straps are commonly used for professional dive watches because they resist saltwater and sweat.
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