Tissot Seastar 1000 Chronograph T120.417.11.051.01 Men's Watch. Shop the Tissot Seastar 1000 Chronograph T120.417.11.051.01 Men's Watch - a robust diver's chronograph featuring a 45.5 mm stainless steel case, black dial, stainless steel bracelet, and 30 m water resistance.. Overview Key Highlights How It Wears Specifications. Professional Diver Capability with Swiss Precision. The Tissot Seastar 1000 Chronograph T120.417.11.051.01 combines high-performance diving functionality with bold chronograph styling. Its 45.5 mm 316L stainless steel case, unidirectional rotating bezel, and screw-down crown reinforce its professional diver construction.. Powered by the Swiss ETA G10.212 quartz chronograph movement and offering an impressive 300 m of water resistance, it is engineered for reliability whether underwater or on land.. Key Highlights. 45.5 mm stainless steel case with rugged diver architecture.. Black dial with luminous hands and indexes for deep-sea visibility.. Swiss quartz ETA G10.212 chronograph movement.. Unidirectional rotating dive bezel.. Screw-down crown & pushers for enhanced water protection.. 300 m / 30 bar water resistance.. Stainless steel bracelet offering strength and durability.. How It Wears. The Seastar 1000's 45.5 mm case provides a bold and confident wrist presence, ideal for men who prefer larger dive watches. The strong steel bracelet offers balance and comfort, while the clean black dial enhances versatility across everyday and outdoor wear.. Specifications. Brand. Tissot. Model. T120.417.11.051.01. Barcode Number. 7611608299494. Gender. Men. Band Colour. Silver. Band Material. Stainless Steel. Case Colour. Black. Case Diameter. 45 mm. Case Material. 316L Stainless Steel. Dial Colour. Black. Movement. Quartz. Chronograph. Yes. Water Resistance. 30 ATM / 300 m