Photo: Tempus Shop
Catalogue / Tissot / ref. T120.407.17.041.00
Tissot Seastar 1000 - Powermatic 80
The Tissot Seastar 1000 is an automatic watch, 43 mm across, with a sapphire crystal, water-resistant to 300 m. It was listed at €845 at Tempus at our check on 12 November 2026. Its price is in line with the 53 automatic Tissot watches in the catalogue (median: €895).
Where to buyChecked 12 November 2026
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Who it suits
Anyone who swims, dives or wants a watch that never needs babying.
Strengths
Automatic movement · Sapphire crystal · Water-resistant to 300 m
Limits
43 mm diameter
Reading the spec sheet
What the spec sheet says
- Automatic movement. It winds itself on the wrist, with no battery.
- Sapphire crystal. The most scratch-resistant option.
- Water-resistant to 300 m. Swimming and diving without a second thought.
- 43 mm diameter. A large case, worth trying on first if your wrist is slim.
Analysis based on the retailer’s spec sheet, without handling the watch.
- Brand
- Tissot
- Gender
- Men
- Case material
- Stainless steel
- Strap material
- Synthetic
- Diameter
- 43.00 mm
- Crystal
- Sapphire
- Movement
- Automatic
- Thickness
- 12.70 mm
- Water resistance
- 300 m (30 bar)
- Functions
- Date
- Dial colour
- Blue
- Clasp
- Pin buckle
- Case back
- Screw-down, see-through
- Weight
- 108g
- Reference
- T120.407.17.041.00
At this price
Alternatives from other brands
Same type of movement, within 20% of the price.
Questions
The short answers
Is the Tissot Seastar 1000 an automatic watch?
Yes. Its movement is automatic: it winds itself with the motion of the wrist.
Can you swim with the Tissot Seastar 1000?
Yes. It is water-resistant to 300 m, which covers swimming and diving.
Does the crystal of the Tissot Seastar 1000 scratch?
It has a sapphire crystal, the most scratch-resistant kind.
What size is the Tissot Seastar 1000?
Its case measures 43 mm in diameter and 12.7 mm thick.
How much does the Tissot Seastar 1000 cost?
It was listed at €845 at Tempus at our check on 12 November 2026.
Where it ranks
This watch appears in
- Automatic watches with sapphire crystal, water-resistant to 100 m, under €1,000138 references
- Automatic dive watches under €1,00032 references
- Automatic watches, water-resistant to 100 m, under €1,000146 references
- Automatic watches with sapphire crystal under €1,000209 references
- Watches with sapphire crystal, water-resistant to 100 m, under €1,000212 references
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