Tissot Seastar 1000 T1204171708101
Ref. T1204171708101 · Grey dial · In production
- Case45.5 mm
- Thick12.82 mm
- Water res.300 m
- MovementQuartz
- CrystalSapphire
Tissot Seastar 1000 T1204171708101 size, specs and price at a glance
The Tissot Seastar 1000 T1204171708101 is 45.5 mm wide and 12.82 mm thick. Tissot does not publish its lug-to-lug length. It takes 22 mm straps and ships on a rubber strap. It is water resistant to 300 m. US list price: $650 when we last checked tissotwatches.com (3 Nov 2026).
Strap shopping? See our Tissot lug width chart.
Overview
The Tissot T1204171708101 is a diver watch from the Seastar collection, part of the Seastar 1000 family. It has a 45.5 mm stainless steel case, 12.82 mm thick. Tissot lists the dial as grey. Inside is a quartz movement. You also get 300 m water resistance, a sapphire crystal and a rubber strap.
Who it suits
- Wrists of roughly 18.3–20.2 cm (7.2–8.0 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
- Grab-and-go wear without winding or setting
Strengths
- Sapphire crystal resists scratches
- 300 m water resistance
- Screw-down crown helps keep water out
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 45.5 mm | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 12.82 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 |
| Water resistance | 300 m | tissotwatches.com · 3 Nov 2026 |
| Screw-down crown | Yes | tissotwatches.com · 3 Nov 2026 |
| Weight | 119 g | tissotwatches.com · 3 Nov 2026 |
Dial
| Dial colour | Grey | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Date | Date | tissotwatches.com · 3 Nov 2026 |
| Chronograph | Yes | tissotwatches.com · 3 Nov 2026 |
Movement
| Movement type | Quartz | tissotwatches.com · 3 Nov 2026 |
|---|
Strap / Bracelet
| Bracelet / strap | Rubber strap | tissotwatches.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 22 mm | tissotwatches.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $650 | 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.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
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Questions about the Tissot Seastar 1000 T1204171708101
How big is the Tissot Seastar 1000 T1204171708101?
The case is 45.5 mm wide, 12.82 mm thick.
What movement does the Tissot Seastar 1000 T1204171708101 use?
It uses a movement, a quartz movement.
Can I swim with the Tissot Seastar 1000 T1204171708101?
Yes. It is rated to 300 m.
Does the Tissot Seastar 1000 T1204171708101 have a date?
Yes, it shows the date.
How much is the Tissot Seastar 1000 T1204171708101?
The US list price was $650 on tissotwatches.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Tissot Seastar 1000 T1204171708101 fit my wrist?
By our sizing guide it sits best on wrists of about 18.3–20.2 cm (7.2–8.0 in). Use the fit checker on this page to test your own wrist.
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