Tissot Seastar 1000 Quartz Chronograph Ref. T120.417.11.051.01 (Red/Black Gradient)
Dive Chronograph · Tissot (Swatch Group); Entry-level luxury/Premium tier with a reputation for high Swiss quality at accessible price points.
Period: Modern Tool Watch (2010s-present) characterized by oversized dimensions, ceramic materials, and bold technical aesthetics.
Type
Dive Chronograph
Brand
Tissot (Swatch Group); Entry-level luxury/Premium tier with a reputation for high Swiss quality at accessible price points.
Movement
Swiss Quartz Caliber ETA G10.212; 4 jewels, featuring 1/10th of a second chronograph functionality and EOL (End-of-Life) indicator.
Dimensions
Case Diameter: 45.5mm; Thickness: 12.8mm; Lug-to-Lug: 51.5mm; Lug Width: 22mm.
Description
The Tissot Seastar 1000 Chronograph is a robust, oversized dive watch that blends high-performance functionality with a bold aesthetic. Its 45.5mm presence offers significant wrist impact, while the red gradient dial provides a 'lava-like' visual depth. Designed for both professional water sports and casual daily wear, it represents Tissot's commitment to the 'accessible luxury' dive watch market.
Key Features
Rare red fumé dial, 30 bar water resistance, screw-down pushers (uncommon in budget quartz divers), and the distinct 1/10th second chronograph hand.
Dial Description
Deep red to black fumé/gradient sunburst dial with three subdials (30-min at 10, 1/10th sec at 2, small seconds at 6); applied round and rectangular luminescent indices with Super-LumiNova.
Case Material
316L Stainless Steel with a mix of brushed surfaces and high-polished accents on the lugs and bracelet center-links.
Crystal Type
Scratch-resistant sapphire crystal with double-sided anti-reflective coating; flat profile.
Bezel Details
Unidirectional rotating dive bezel with a black aluminum insert (some variants use ceramic, this appears to be the aluminum 60-minute scale); serrated edge for grip.
Crown & Pushers
Screw-down crown with 'T' branding; screw-down chronograph pushers to ensure water integrity at depth; large crown guards.
Bracelet or Strap
Three-link stainless steel 'Oyster-style' bracelet; polished center links and brushed outer links; folding safety clasp with diver's extension.
Caseback Details
Solid screw-down caseback featuring the Tissot Seastar seahorse engraving and technical specifications.
Movement Type
Swiss Quartz Caliber ETA G10.212; 4 jewels, featuring 1/10th of a second chronograph functionality and EOL (End-of-Life) indicator.
Water Resistance
300 Meters (1000 Feet / 30 Bar); Suitable for recreational scuba diving and high-impact water sports.
Origin & Provenance
Swiss Made; Manufactured in Le Locle, Switzerland; movement is an outsourced ETA (Swiss Made Swatch Group movement).
Age Estimate
Modern production, circa 2020-2024.
Cultural Significance
As an entry-point to Swiss dive watches, the Seastar is a staple in the enthusiast community for those wanting professional specs without the multi-thousand dollar investment of a Rolex or Omega.
Condition Notes
Appears to be in Excellent to Mint condition; no visible scratches on the sapphire crystal or bezel; high-polish center links show minimal desk-diving marks.
Value Estimate
MSRP approximately $525-$600; Secondary market value $350-$450 depending on condition and inclusion of box/papers.
Care & Maintenance
Battery replacement every 3-4 years; pressure test every 2 years to ensure gaskets are intact; rinse with fresh water after salt-water exposure; store in a dry place.
Similar Watches
Certina DS Action Diver Chronograph (more conservative style), Seiko Prospex Solar Chronograph (Japanese alternative), Longines HydroConquest (higher tier alternative).
Interesting Facts
Tissot was founded in 1853 and originally merged with Omega in 1930 to form SSIH, the precursor to the modern Swatch Group. The Seastar name has been used since the 1950s for Tissot's water-resistant lines.