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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchThe Tissot Seastar 1000 Powermatic 80 is now available in a 40mm automatic format, pairing the collection’s 300m water-resistance rating with Tissot’s Powermatic 80 movement. The current U.S. product pages list prices of $875 and $895, depending on reference and finish.
What is the 40mm Seastar Powermatic 80?
It is a smaller-cased automatic model in Tissot’s Seastar 1000 line. Tissot describes the launch as adding a Powermatic 80 version in a “more contemporary, medium case size,” and its product description identifies 40mm as a new case option for the movement. The exact reference matters: dial, case coating and supplied strap or bracelet vary by version.
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Specifications
| Specification | Details |
|---|---|
| Case diameter | 40 mm (Tissot current product page, 2026) |
| Case thickness | 12.48 mm (Tissot current product page, 2026) |
| Lug width | 20 mm (Tissot current product page, 2026) |
| Case | Stainless steel, with PVD-coated variants (Tissot current product pages, 2026) |
| Crystal | Sapphire |
| Movement | Swiss automatic Powermatic 80; up to 80 hours of power reserve |
| Balance spring | Patented Nivachron |
| Water resistance | 300 m / 30 bar / 1,000 ft (Tissot current product page, 2026) |
| Controls and caseback | Screw-down crown and caseback; see-through caseback |
| Display and lume | Date display; Super-LumiNova |
How much does it cost?
Tissot’s current U.S. product pages show list prices of $875 and $895 for different variants. These are page-listed prices, not a guarantee of current stock or checkout price; verify the exact reference and regional Tissot listing before buying.
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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesIs it a real dive watch?
Its published specifications are genuinely dive-oriented: 300m water resistance, screw-down crown and caseback, sapphire crystal and luminous markers. That describes the manufacturer’s specification, not an independent pressure test or a recommendation to use any particular watch for diving. Follow Tissot’s care and water-use guidance, and ensure the crown is fully secured before water exposure.
#1 Best Overall
- Case Size: 40.00 mm, Band Width: 20, Case Thickness: 9.97 mm
- Quartz movement, 316L stainless steel case, Index dial type, Date
- Stainless steel strap/bracelet, interchangeable quick release bracelet,folding clasp with safety and push-buttons closure
- Water-resistant up to a pressure of 30 bar (300 m / 1000 ft): suitable for short periods of recreational swimming and showering, but no diving or snorkeling.
- 2 Year International Warranty
Fit and strap options
The 40mm diameter is paired with a 12.48mm thickness and 20mm lug width. Those dimensions give useful context for wrist fit and replacement straps, but diameter alone does not establish how a watch will wear; wrist shape, lug profile and bracelet or strap choice also matter.
Tissot lists interchangeable quick-release bracelets and straps for the range, including an official 20mm black rubber strap. Confirm compatibility with the exact reference and attachment before ordering a replacement; the watch’s 20mm lug width is the key sizing figure, not a guarantee that every 20mm strap will suit its fitting.
Rank #2
- These timepieces are perfect for those in search of a sporty yet assertive accessory, offering water resistance up to 1000 feet (300 meters) and improved visibility in dim conditions thanks to the Super-LumiNova coated hands and hour markers.
What to check before choosing a reference
- Compare the reference number, dial color and case finish: the variants are not identical.
- Check whether the listed configuration includes a bracelet or strap, rather than assuming the product photos represent every package.
- Confirm the regional price, availability, warranty terms and seller for the specific reference.
- For comparisons with other watches, consider thickness, movement and reserve, water-resistance rating and crown construction, crystal, lume, strap system, price and warranty together.
The published details here are Tissot’s specifications. They do not establish independent accuracy results, pressure-test performance or long-term ownership behavior.
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Best Value
- Case size: 45.5mm, Band width: 22mm, Case thickness: 12.82mm
- Swiss quartz movement, Stainless steel case, Sapphire crystal, Indexes dial type, Date
- Water-resistant up to a pressure of 30 bar (300 m / 1000 ft)
Rank #4
- Case Size: 43.00 millimeters; Bandwidth: 21 millimeters; Case Thickness: 12.70 millimeters
- Swiss automatic movement, 316L stainless steel case, Index dial type, date
- Rubber bracelet, standard buckle closure
- Water-resistant up to a pressure of 30 bar (300 meter / 1000 feet): Suitable for short periods of recreational swimming and showering, but no diving or snorkeling.
Rank #3
- Case Size: 45.50 mm, Band Width: 22, Case Thickness: 12.82 mm
- Swiss quartz movement, 316L stainless steel case, Index dial type, Date
- Stainless steel bracelet, folding clasp with safety, diver extension and push-buttons, interchangeable quick release bracelet closure
- Water-resistant up to a pressure of 30 bar (300 m / 1000 ft): suitable for short periods of recreational swimming and showering, but no diving or snorkeling.
- 2 Year International Warranty
