Tissot Seastar Diver's Stainless Steel Automatic 40mm Men's Watch

The Tissot Seastar T120.807.11.091.00 brings serious dive-grade capability to a precision Swiss timepiece, pairing stainless steel construction with automatic movement. Rated to 300m water resistance with a turquoise dial and 40.00 mm case, this is a watch built for the depths and dressed for surface life. A confident piece for milestone moments, considered gifts, or self-rewarding occasions.

Built for the Depths

The Seastar line is Tissot's answer to professional-grade dive watches, and this reference carries that legacy forward. The unidirectional rotating bezel lets you track elapsed bottom time at a glance, while the sapphire crystal face shrugs off the abuse of saltwater, sand, and surface impacts. Whether you're descending past 30 metres or just commuting through your week, this watch is engineered to perform without complaint.

Key Features at a Glance

• Automatic Movement: Self-winding mechanical precision — no battery, no compromise.
• Stainless Steel Case: Durable construction designed to age beautifully at 40.00 mm.
• Turquoise Dial: Distinctive colour with carefully considered indices for at-a-glance legibility.
• Sapphire Crystal: Scratch-resistant clarity that protects the dial for decades.
• 300m Water Resistance: Professional-grade depth rating for serious dive use.
• Power Reserve: Up to 80 Hours of autonomy off the wrist — built to outlast your weekend.
• Unidirectional Rotating Bezel: Tracks elapsed time at a glance — essential for diving and timing.
• Stainless Steel Bracelet: Comfort-fit stainless steel for all-day wear.

Own a watch built for the depths — secure your Tissot today.

Full Technical Specifications

Avoid Water Contact: Most luxury watches are water-resistant but not waterproof. Remove your watch before swimming, showering, or washing hands in hot water.

Clean Gently: Use a soft, damp cloth to wipe the case and strap. Avoid harsh soaps, detergents, or chemicals.

Leather Straps: Keep leather straps dry and away from moisture to prevent discoloration and damage. Use a soft leather conditioner occasionally.

Metal & Stainless Steel Straps: Wipe with a microfiber cloth. For deeper cleaning, use lukewarm water and a soft brush, then dry immediately.

Avoid Extreme Conditions: Keep your watch away from extreme heat, direct sunlight for long periods, or strong magnetic fields.

Storage: Store in a cool, dry place or a watch box. Avoid stacking multiple watches together to prevent scratches.

Battery & Mechanical Care: For quartz watches, replace batteries promptly. For automatic or mechanical watches, wind regularly and service every 3–5 years.

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