Tissot Seastar Seastar 1000 Powermatic 80 GMT Stainless Steel / Black / Bracelet

Reference T120.429.11.051.01

About this watch

The Tissot Seastar 1000 Powermatic 80 GMT is a statement piece that combines luxury with practicality, featuring a robust stainless steel case, a striking black dial, and a remarkable 80-hour power reserve. Its sleek design and modern twist make it a top contender in the world of dive watches. With its impressive movement, durable construction, and versatile design, this watch is built to last and looks fantastic while doing so. Whether you're a diving enthusiast or just someone who appreciates fine craftsmanship, the Tissot Seastar 1000 Powermatic 80 GMT is definitely worth considering.
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Key Features

  • 46mm stainless steel case
  • Black dial with stick indexes and luminescent coating
  • ETA Caliber C07.661 movement with 80-hour power reserve
  • Sapphire crystal glass for scratch resistance
  • 300m water resistance for diving and water sports enthusiasts
  • 24-hour rotating bezel for tracking time in different zones
  • Adjustable 24-hour hand for travelers and adventurers

Specifications

Brand
Tissot
Family
Seastar
Model
Seastar 1000 Powermatic 80 GMT Stainless Steel / Black / Bracelet
Reference
T120.429.11.051.01
Movement
c07-661
Movement Features
  • Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
  • Date
Case
46mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Tissot Seastar 1000 40mm

Tissot Seastar 1000 40mm

The Tissot Seastar 1000 is a Powermatic 80 watch with a clean crystal and clean bezel, powered by the brand's 80-hour power reserve movement.

  • Condition: Great overall condition with minor wear on case and bracelet
  • Case Size: 40mm diameter
  • Box And Papers: Yes, included
Posted at
Feb 16, 2026, 5:06 PM
Active
[WTS] Tissot Seastar 1000 Powermatic 80 40mm Blue/Black

Tissot Seastar 1000 Powermatic 80 40mm Blue/Black

Up for sale is my Tissot Seastar 1000 automatic watch, which runs perfectly and comes with its original strap, box, and papers.

  • Condition: Great condition
  • Case size: 40mm
  • Movement: Powermatic 80
Posted at
Feb 14, 2026, 5:48 PM
Active
[WTS] Tissot Seastar 1000 Chronograph - Brand New / Unworn - Blue Gradient - Still in Plastic

Tissot Seastar 1000 Chronograph - Brand New / Unworn - Blue Gradient - Still in Plastic

A brand new, unworn Tissot Seastar 1000 Quartz Chronograph, part of a department store liquidation due to a dead battery.

  • Condition: New without box/papers
  • Case size: 45.5mm diameter
  • Water resistance: 300m depth rating
  • Bezel type: unidirectional rotating diver's bezel
Posted at
Feb 10, 2026, 12:47 AM
Active
[WTS] Tissot Seastar 1000 40mm

Tissot Seastar 1000 40mm

Up for sale is my Tissot Seastar 1000, a watch that runs well and comes with its original strap as well as box and papers.

  • Condition: Great condition
  • Original Strap And Papers Included: true
Posted at
Feb 4, 2026, 8:34 PM
Active