Tissot Seastar 1000 Powermatic Silicium Blue Dial Silver Steel Strap Watch

Meet a dive-ready companion that doesn’t compromise on style. The Tissot Seastar 1000 Powermatic Silicium merges professional-grade performance with a refined, everyday aesthetic. A striking blue dial sits atop a robust stainless steel case, paired with a durable steel bracelet and a divers’ buckle with extension for secure wear over wetsuits or any active lifestyle.

Why this watch excites divers and explorers

Built to withstand the rigors of underwater adventures, the Seastar 1000 offers up to 30 bar (300 m / 1,000 ft) of water resistance. Its screw-down crown and caseback ensure optimal sealing, while the unidirectional ceramic bezel provides precise, worry-free timing of dives. The scratch-resistant sapphire crystal with anti-reflective coating maintains legibility in bright sun, under water, or in dim environments.

Precision and power you can rely on

At the heart of this watch is the automatic Powermatic 80 movement, enhanced with Silicium (silicon) balance spring. This technology improves resistance to magnetism and temperature shifts, delivering superior long-term accuracy. The movement offers an impressive 80-hour power reserve, so you won’t miss a beat after a weekend away. The combination of automatic winding and the Silicium upgrade keeps the watch running smoothly for extended periods, even with irregular wear.

Designed for comfort, durability, and versatility

The 43 mm stainless steel case presents a bold, versatile silhouette that transitions from boardroom to boat deck. The bracelet features aDivers’ buckle with extension for a secure, adjustable fit across activities and gear. Luminescent hands and markers ensure readability in low-light conditions, whether you’re finishing a night dive or exploring twilight horizons.

Key features at a glance

• 30 bar (300 m / 1,000 ft) water resistance with screw-down crown and caseback
• Unidirectional ceramic bezel for safe timing of dives
• Sapphire crystal with anti-reflective treatment for enhanced clarity
• Powermatic 80 automatic movement with Silicium balance spring
• 80-hour power reserve for extended readiness
• Blue dial with luminescent hands and markers
• 43 mm stainless steel case and bracelet with divers’ buckle and extension
• Swiss craftsmanship from the T‑Sport collection

Who should consider this watch

Ideal for active professionals, serious divers, and travelers who want a dependable, high-performance timepiece that looks as good on land as it does underwater. If you value durability, precision, and a sophisticated dive watch aesthetic, the Seastar 1000 Powermatic Silicium stands out as a thoughtful, long-term investment.

Care and longevity tips

Rinse after saltwater exposure and keep the crown fully screwed down during water activities. Regular servicing as recommended by the manufacturer will preserve accuracy and water resistance. Limit exposure to strong magnetic fields to maintain the integrity of the Silicium balance spring and movement.