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 Powermatic - Textured Grey Dial 🤿

Tissot Seastar 1000 Powermatic - Textured Grey Dial 🤿

The Tissot Seastar 1000 Powermatic 80 features a sleek 40mm stainless steel case and gorgeous textured grey dial, with an amazing 30 bar (300m/1000 ft) water resistance rating.

  • Condition: Shows signs of wear from normal daily use
  • Case diameter: 40mm
  • Water resistance depth: 300m
  • Movement reserve hours: 80h
Posted at
Jan 16, 2026, 5:41 PM
Active
[WTS] Tissot Seastar 1000 40 mm - Mint

Tissot Seastar 1000 40 mm - Mint

A Tissot Seastar 1000, a beautiful watch purchased at Madrid airport last August, features a 40mm case and offers 300m water resistance.

  • Condition: Mint, almost no signs of wear
  • Dimensions: 40 mm x 46 mm x 12.5 mm
  • Lug width: 20mm
  • Water resist: 300 m / 1000 ft
Posted at
Jan 15, 2026, 9:21 PM
Active
[WTS] Tissot Visodate Automatic Seastar. $250 Shipped.

Tissot Visodate Automatic Seastar. $250 Shipped.

This is a Tissot Visodate Automatic Seastar from the 1960s-1970s era, featuring a cream dial with stick indices and automatic winding.

  • Condition: Good, Working condition
  • Case Diameter: 34mm
  • Thickness: 10mm
  • Lug Width: 20mm
Posted at
Jan 15, 2026, 9:40 AM
Active
[WTS] Vintage Tissot Visodate Seastar T.12 Diver – $725 Shipped!

Vintage Tissot Visodate Seastar T.12 Diver – $725 Shipped!

A vintage automatic diver's watch featuring a date display, luminous hands, and an orange seconds hand, housed in a 43mm case.

  • Condition: Pre-owned with noticeable signs of wear consistent with its age
  • Case diameter: 43mm
  • Movement type: automatic
Posted at
Jan 13, 2026, 5:58 PM
Active