Tissot Seastar 1000 Powermatic 80 40 mm Automatic Blue Dial Rubber Strap [T120.407.17.041.00]

The Tissot Seastar 1000 Powermatic 80 40 mm combines professional dive-watch capability with modern Swiss mechanical engineering through a design that feels equally suited to underwater performance and everyday wear. Purpose-built yet highly refined, the Seastar balances robust technical functionality with the sleek proportions expected from contemporary luxury sports watches.

Its deep blue dial creates strong contrast against luminous applied indexes and bold diver-style hands, reinforcing legibility in low-light environments while maintaining a clean, modern aesthetic on the wrist. Framing the dial is a unidirectional ceramic bezel whose polished surface introduces durability and scratch resistance while elevating the watch’s overall visual refinement.

The compact 40 mm sizing gives the Seastar a more versatile and wearable profile than many oversized dive watches, allowing it to transition naturally between active use, business-casual styling, and everyday sports-watch wear. Combined with the integrated black rubber strap, the result is a watch that feels purposeful, athletic, and highly contemporary.

Key Highlights

• 40 mm stainless steel dive-watch case with versatile modern proportions
• Blue dial with luminous applied indexes and diver-style hands
• Unidirectional black ceramic bezel with polished finishing
• Powermatic 80 automatic movement with Nivachron balance spring
• 300-metre water resistance for professional dive capability
• Integrated black rubber strap with sporty contemporary wrist presence

At the heart of the Seastar is Tissot’s Powermatic 80 automatic movement, delivering an impressive 80-hour power reserve alongside enhanced resistance to magnetic fields through its Nivachron balance spring. Visible through the sapphire exhibition caseback, the movement reinforces the Seastar’s appeal among collectors seeking genuine Swiss mechanical dive-watch value.

The ceramic bezel and sharply executed case architecture create strong visual presence without excessive bulk, while the textured rubber strap enhances comfort and durability during active wear. Together, these elements give the Seastar a more elevated and refined character than many traditional tool watches within its category.

Sporty without feeling oversized and technically capable without sacrificing versatility, the Seastar 1000 Powermatic 80 stands among the strongest values in contemporary Swiss dive watches.

Technical Specifications

• Model Number: T120.407.17.041.00
• Collection: Seastar 1000 Powermatic 80
• Case Size: 40 mm
• Case Thickness: 12.5 mm
• Lug-to-Lug: 46.5 mm
• Case Material: 316L stainless steel
• Bezel: Unidirectional rotating black ceramic bezel
• Dial: Blue dial
• Hour Markers: Applied luminous indexes
• Hands: Diver-style hands with Super-LumiNova®
• Crystal: Scratch-resistant sapphire crystal with anti-reflective coating
• Caseback: Sapphire exhibition caseback
• Movement: Swiss automatic Powermatic 80
• Power Reserve: Up to 80 hours
• Balance Spring: Nivachron™ anti-magnetic balance spring
• Jewels: 23
• Frequency: 21,600 vph / 3 Hz
• Water Resistance: 300 metres / 30 bar
• Strap: Black rubber strap
• Clasp: Standard buckle
• Functions: Hours, minutes, seconds, date
• Swiss Made: Yes

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