Tissot watch database and price guide
Tissot Seastar 1000 Powermatic 80: specs, new price and used value
For the USA market, a fair used price for the Tissot Seastar 1000 Powermatic 80 is usually $350-560. A good buy is normally under $430, while prices above $650 need unusually strong condition, full set, warranty, scarcity, or live market confirmation.
- Retail price band
- $795-850
- New online band
- $550-760
- Used fair range
- $350-560
- Good buy under
- $430
- Avoid over
- $650
- Value retention
- medium
Direct answer for buyers
For the USA market, a fair used price for the Tissot Seastar 1000 Powermatic 80 is usually $350-560. A good buy is normally under $430, while prices above $650 need unusually strong condition, full set, warranty, scarcity, or live market confirmation.
Verdict: Priced sensibly, this reference sits in the $350–$560 band second-hand. $430 is the level worth acting on, and $650 is where the value argument breaks down.
Watch specifications
- Brand: Tissot
- Collection: Seastar
- Reference: T120.407.11.041.03
- Category: Swiss automatic dive watch
- Movement: Powermatic 80 automatic
- Case size: 43 mm
- Lug-to-lug: 49.6 mm
- Thickness: 12.7 mm
- Crystal: Sapphire crystal
- Water resistance: 300 m
- Market region: United States / North America
- Currency: USD
Who should buy it?
Best for: Buyers hunting the $350–$560 used bracket who want Seastar looks and a movement that is easy to live with.
Not ideal for: Anyone buying sight-unseen from an unverified private seller without photos of the exact Seastar case and movement.
Market notes and resale
The Seastar is heavily discounted new, which caps used prices. Sapphire and 300 m water resistance are solid, but resale is weak.
Price confidence: Early editorial estimate — verify current listings. Last editorial review: 2026-10-03.
Used buyer checklist
- Confirm the exact reference and dial configuration before paying
- Check bezel action and that the insert lines up at 12
- Check that the crystal fitted is the original type for this reference
- Verify the crown threads and that it screws down fully
- Ask about gasket condition and any water-resistance service
Known issues and pricing traps
- Bezel inserts are frequently replaced aftermarket
- Water resistance is only as good as the last service and gasket change
- Expect normal depreciation, not a windfall
Similar watches to compare
How this price range is set
Editorial estimate for the US market, not a live quote. Bands reflect typical retail and second-hand pricing for this reference and are revised when sold-listing evidence arrives.
Ranges are reduced for condition, missing links, no box or papers, unknown service history and poor photos, and adjusted when current new-watch discounts make a used price unattractive.
FAQ
What price should I target for the Tissot Seastar 1000 Powermatic 80?
Use $430 as the good-buy target. The fair used range is $350-560, and a used listing above $650 needs unusually strong condition, completeness, warranty or scarcity.
Should I buy the Tissot Seastar 1000 Powermatic 80 new or used?
Compare the used asking price with the current new online band of $550-760. If the saving is small, buying new can be safer because you get warranty and cleaner return rights.
What changes the value most?
Condition, box and papers, bracelet or strap completeness, service history, seller reputation, warranty status and unusually poor listing photos move the real transaction price.
What should I check before buying used?
Check the exact reference, case and bracelet condition, movement/module function, service or battery history, seller feedback and whether the price still makes sense after tax, shipping and return risk.
Important pricing note
USA watch prices move with condition, state sales tax, seller type, box and papers, current discounts, service history and seller trust. Use this page as a research starting point, then verify live US listings before paying.