Tissot Seastar 1000 Quartz Chronograph 45mm

Professional Sports Precision With Swiss Chronograph Performance

The Tissot Seastar 1000 Quartz Chronograph T120.417.11.091.01 is a bold interpretation of a professional dive watch that also delivers dynamic chronograph functionality. Featuring a capacious 45.5 mm stainless steel case, a green gradient dial and robust 300 metre water resistance, this model is designed for those who appreciate mechanical reliability and purposeful design on land or beneath the waves.

Inspired by enduring aquatic performance and Tissot’s sporting heritage, the Seastar 1000 Quartz Chronograph combines versatile looks with technical capability, making it suited to active lifestyles and everyday wear.

Key Features

• Swiss Quartz Chronograph Movement (ETA G10.212) accurate quartz timing with chronograph precision and EOL (battery end‑of‑life) indicator.

• 45.5 mm Stainless Steel Case  distinguished size with brushed and polished finishes for visual depth.

• Green Gradient Dial with luminescent hands and markers for easy legibility in all conditions.

• Unidirectional Rotating Bezel with aluminium insert to measure elapsed time underwater.

• Chronograph Functions including 30‑minute, 60‑second and 1/10‑second counters.

• Date Display Between 4 and 5 o’clock for everyday practicality.

• Scratch‑Resistant Sapphire Crystal with anti‑reflective treatment for clarity and durability.

• Screw‑Down Crown and Caseback to help maintain professional water resistance.

• Stainless Steel Bracelet with folding clasp and safety diver extension.

• Water Resistance: 30 bar / 300 m / 1000 ft capable of serious aquatic activity.

Product Specifications

Model Reference: T120.417.11.091.01
Collection: T‑Sport / Seastar 1000 Quartz Chronograph
Movement: Swiss Quartz Chronograph (ETA G10.212)
Functions: Hours, minutes, small seconds, date, chronograph (30 min, 60 s, 1/10 s)
Case Diameter: 45.5 mm
Case Material: 316L stainless steel with aluminium bezel ring
Dial: Green gradient with luminescent indexes
Crystal: Sapphire with double‑sided anti‑reflective coating
Bracelet: Stainless steel with folding clasp and diver extension
Water Resistance: 30 bar / 300 m / 1000 ft
Warranty: 2‑year manufacturer warranty

Enthusiast’s Insight

Among dive‑watch and chronograph fans, the Tissot Seastar 1000 Quartz Chronograph is often viewed as an excellent value proposition within the sport watch segment. Its Swiss‑made quartz chronograph movement (ETA G10.212) gives reliable precision and practical features like ADD/SPLIT timing functions, a rarity at this price level. 

Collectors appreciate the green gradient dial for its depth and versatility: under different lighting conditions, the dial appears to shift from dark forest green to brighter sea‑inspired hues, adding visual interest without overpowering the overall design.

The substantial 45.5 mm case ensures a commanding wrist presence, which appeals to those who enjoy sport watches that feel purposeful and capable. At the same time, the combination of chronograph utility and 300 metre water resistance means this watch performs both as a tool for timing dives and as a robust everyday companion.

Finally, fellow enthusiasts often note that the screw‑down crown and pushers, help instil confidence in the watch’s capability under real‑world stress, enhancing its appeal beyond mere aesthetics