Product Overview
The Tissot Seastar 1000 Quartz GMT is a high-performance sports watch engineered for reliability in demanding aquatic environments. Designed for men who value precision and durability, this Swiss Made timepiece delivers exceptional functionality whether worn on land, in the water, or beneath the surface. Its robust construction and advanced features make it ideal for divers, travelers, and active individuals who need a dependable watch that performs under pressure. With a water resistance rating of 30 bar (300 meters or 1,000 feet), it’s built to handle deep-sea conditions without compromise. The inclusion of a GMT function adds practical value for those navigating multiple time zones, allowing seamless tracking of a second time zone—ideal for frequent flyers, international professionals, or anyone coordinating across regions. Combining Swiss precision with rugged utility, this watch is more than an accessory; it’s a tool built for real-world performance.









Key Features
- Swiss Made Quartz Movement – Powered by a precise and reliable Swiss quartz caliber, this movement ensures accurate timekeeping with minimal maintenance, making it a trusted choice for daily wear and professional use. Quartz technology offers consistent performance and long-term reliability, requiring only periodic battery replacement.
- 300-Meter Water Resistance – Engineered to withstand water pressure up to 30 bar, this watch is suitable for recreational diving, snorkeling, swimming, and other water-based activities without risk of damage. This level of protection ensures the watch remains functional and sealed even at significant depths.
- Screw-Down Crown and Case Back – These critical components enhance water resistance and protect the internal mechanisms from moisture and impact, ensuring long-term durability and performance. The screw-down design prevents accidental adjustments and maintains a secure seal, especially important during underwater use.
- Superluminova® Luminous Markers – Applied to the hands and hour markers, this luminescent material delivers excellent visibility in low-light or dark underwater environments, allowing for clear time reading at all times. Whether during a night dive or in dimly lit settings, the display remains legible without requiring a backlight.
- GMT Functionality – The dual-time feature enables tracking of a second time zone, making it a practical tool for frequent travelers or professionals coordinating across regions. This function is easily adjustable and provides immediate access to home and destination times, enhancing convenience and time management.
- Shock-Resistant Design – The screw-down crown not only seals the watch against water intrusion but also provides added protection against accidental knocks and impacts during active use. This makes the watch well-suited for outdoor adventures, sports, and daily wear in dynamic environments.
Technical Specifications
- Model Number: T1208521705100
- Department: Men’s
- Movement: Swiss Made Quartz
- Water Resistance: 30 bar (300 meters / 1,000 feet)
- Crown Type: Screw-down
- Case Back: Screw-down
- Luminous Features: Superluminova® on hands and hour markers
- Power Source: 2 P76 batteries (included)
- Package Dimensions: 5.31 x 5.08 x 3.62 inches
- Item Weight: 13.12 ounces
- Manufacturer: Tissot SA
- ASIN: B0DQ1PZZDB
- Date First Available: December 20, 2024
Benefits & Use Cases
The Tissot Seastar 1000 Quartz GMT is built for real-world performance across a range of environments. Its 300-meter water resistance rating makes it a trustworthy companion for scuba diving, spearfishing, and open-water swimming, while the durable construction holds up during rigorous outdoor activities. The GMT function is especially useful for business travelers, pilots, or anyone managing schedules across time zones, allowing them to keep track of home and destination times simultaneously. The luminous display ensures legibility during night dives, early-morning workouts, or low-light conditions. With its screw-down crown and reinforced case, the watch resists accidental adjustments and physical impacts, maintaining accuracy and integrity over time. Whether worn as a daily driver or a specialized tool watch, it delivers consistent performance and Swiss craftsmanship. The included P76 batteries ensure immediate usability, and the robust packaging protects the watch during transit and storage.
Important Notes
This watch requires 2 P76 batteries, which are included with purchase. While highly water-resistant, it should not be used for high-velocity water sports such as jet skiing or water skiing without consulting Tissot’s usage guidelines. Regular maintenance and pressure testing are recommended for diving use to ensure continued water resistance. The manufacturer’s warranty is available and can be requested through customer service—contact information is provided at the time of purchase. Please note that this item was first made available on December 20, 2024, and may reflect newer design or engineering updates from Tissot. Always store the watch in a dry place when not in use and avoid exposure to extreme temperatures or magnetic fields to preserve accuracy. Proper care and adherence to usage recommendations will help maintain the watch’s performance and longevity across years of active use.