Tissot
Tissot Seastar 2000 44mm "Black"
Tissot
T120.907.37.051.00
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Details & Specifications
Description:
The Tissot Seastar 2000 Professional Powermatic 80 reference T120.907.37.051.00 is a purpose-built dive watch that meets the ISO 6425:2018 professional diving standard, finished in a stealthy monochromatic black. This updated 44mm version features a black PVD-coated stainless steel case with subtly sculpted edges, creating a more compact and comfortable profile without sacrificing its bold, professional presence. Equipped with a helium escape valve, it is designed to perform reliably during saturation diving by allowing helium particles accumulated inside the case to safely escape during decompression.
The black dial features an engraved wave motif, a date window at 6 o'clock, and baton hands and indexes finished with green-glowing Super-LumiNova for excellent low-light legibility. Powered by the automatic Powermatic 80 Calibre (ETA C07.111), the movement offers hacking seconds and an antimagnetic Nivachron balance spring, delivering an 80-hour power reserve. The watch is fitted with a matching black rubber strap.
Specifications:
| Movement | |
| Type | Automatic, self-winding (Powermatic 80) |
| Calibre | ETA C07.111 |
| Power Reserve (h) | Up to 80 hours |
| No. of Jewels | 23 |
| Frequency | 3 Hz (21,600 vph) |
| Functions | Hours, minutes, seconds, date |
| Case | |
| Case Material | Stainless Steel, Black PVD Coated |
| Case Diameter | 44 mm |
| Case Thickness | 15.29 mm |
| Water Resistance | 600 m / 2,000 feet (60 bar) |
| Bezel | Unidirectional, Ceramic insert |
| Crystal | Domed Sapphire with anti-reflective coating on the inside |
| Crown | Screw-Down, Black PVD Coated |
| Case Back | Screw-down, Sapphire display |
| Dial Colour | Black, wave motif |
| Dial Indicators | Applied circular and stick markers with green-glowing Super-LumiNova, plongeur-style hands |
| Strap | |
| Strap Material | Black Rubber, interchangeable quick-release |
| Clasp | Pin Buckle |
| Clasp Material | Black PVD Coated Stainless Steel |




