Tissot Seastar 1000 T1204071704100
Ref. T1204071704100 · Blue gradient dial · In production
- Case43 mm
- Thick12.7 mm
- Water res.300 m
- MovementAutomatic
- CrystalSapphire
Tissot Seastar 1000 T1204071704100 size, specs and price at a glance
The Tissot Seastar 1000 T1204071704100 is 43 mm wide and 12.7 mm thick. Tissot does not publish its lug-to-lug length. It takes 21 mm straps and ships on a rubber strap. It is water resistant to 300 m. US list price: $875 when we last checked tissotwatches.com (3 Nov 2026).
Strap shopping? See our Tissot lug width chart.
Overview
The Tissot T1204071704100 is a diver watch from the Seastar collection, part of the Seastar 1000 family. It has a 43 mm stainless steel case, 12.7 mm thick. Tissot lists the dial as blue gradient. Inside is an automatic movement with 80 h of power reserve. You also get 300 m water resistance, a sapphire crystal and a rubber strap.
Who it suits
- Wrists of roughly 17.2–19.1 cm (6.8–7.5 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
- People who enjoy seeing a mechanical movement at work
Strengths
- Sapphire crystal resists scratches
- 300 m water resistance
- Screw-down crown helps keep water out
- 80 h power reserve survives a weekend off the wrist
- Display caseback shows the movement
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 43 mm | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 12.7 mm | tissotwatches.com · 3 Nov 2026 |
| Lug-to-lug | Not published by Tissot | |
| Case material | Stainless steel | tissotwatches.com · 3 Nov 2026 |
| Crystal | Sapphire | tissotwatches.com · 3 Nov 2026 |
| Caseback | Display (see-through) | tissotwatches.com · 3 Nov 2026 |
| Water resistance | 300 m | tissotwatches.com · 3 Nov 2026 |
| Screw-down crown | Yes | tissotwatches.com · 3 Nov 2026 |
| Weight | 108 g | tissotwatches.com · 3 Nov 2026 |
Dial
| Dial colour | Blue gradient | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Date | Date | tissotwatches.com · 3 Nov 2026 |
Movement
| Movement type | Automatic | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Power reserve | 80 h | tissotwatches.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Rubber strap | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 21 mm | tissotwatches.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $875 | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | tissotwatches.com · 3 Nov 2026 |
| Made in | Switzerland | tissotwatches.com · 3 Nov 2026 |
| Style (our classification) | Diver | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
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Questions about the Tissot Seastar 1000 T1204071704100
How big is the Tissot Seastar 1000 T1204071704100?
The case is 43 mm wide, 12.7 mm thick.
What movement does the Tissot Seastar 1000 T1204071704100 use?
It uses a movement, a automatic movement with 80 h of power reserve.
Can I swim with the Tissot Seastar 1000 T1204071704100?
Yes. It is rated to 300 m.
Does the Tissot Seastar 1000 T1204071704100 have a date?
Yes, it shows the date.
How much is the Tissot Seastar 1000 T1204071704100?
The US list price was $875 on tissotwatches.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Tissot Seastar 1000 T1204071704100 fit my wrist?
By our sizing guide it sits best on wrists of about 17.2–19.1 cm (6.8–7.5 in). Use the fit checker on this page to test your own wrist.
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