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Round stainless steel diver's watch with black dial, rotating bezel and matching bracelet

Tissot

Tissot Seastar 1000 Quartz Diver's Watch 300m T120.210.11.051.00

SKU CH-RKR7-KN52X

A stainless steel diver's watch with 300 m water resistance, sapphire crystal, and ETA quartz movement

  • Watch movementQuartz
  • Product shapeRound
  • Watch face colorBlack
  • Dial markingsIndex And Dotted Markers
  • Display typeAnalog
  • Date displayDate
  • 300 m water resistance for serious diving
  • 316L stainless steel case resists corrosion
  • sapphire crystal with anti-reflective coating improves readability
  • ETA F05.412 quartz movement keeps precise time
  • unidirectional rotating bezel tracks elapsed time safely

Tissot Seastar 1000 Quartz Diver

The Tissot Seastar 1000 is a unisex diver's watch built for 300m water resistance. A 316L stainless steel case and bracelet house a quartz movement with sapphire crystal. The black dial features index and dotted markers plus a date window. A unidirectional rotating bezel and screw-down crown complete the professional specification.

Suited to daily wear and serious diving

This watch fits wearers who want a single timepiece for both office and ocean. The quartz calibre ETA F05.412 offers low-maintenance accuracy without winding. Buyers who prefer mechanical movements or need a lighter titanium case should consider other ranges. The 36.00 mm case thickness may feel substantial on smaller wrists.

300m depth rating and sapphire durability

The 300m rating comfortably handles recreational scuba diving and all surface water sports. Sapphire crystal with double-sided anti-reflective coating resists scratches and glare. The deployment clasp secures the bracelet during active use. The quartz movement runs until the battery requires replacement, typically several years.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $391.99
Pricier than about 88% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameTissot
Design styleDiver's
Watch face colorBlack
Item conditionNew
Display
Display typeAnalog
Size & build
Main materialStainless Steel
Product shapeRound
Strap materialStainless Steel
Closure typeDeployment Clasp
Bezel typeUnidirectional Rotating Bezel
Case constructionScrew Down Crown
Housing materialStainless Steel
Case size36 mm
Watch glassSapphire Crystal
Environment & compliance
Water resistance300m
More details
Watch movementQuartz
Dial markingsIndex And Dotted Markers
Date displayDate
Suitable forUnisex

Questions about this item

What strap tools are needed to adjust the stainless steel bracelet on the Tissot Seastar 1000?

A spring-bar tool or pin pusher lets you remove links from the 316L stainless steel bracelet; the deployment clasp also offers micro-adjustment holes for fine fit without tools.

Will the 36.00 mm case sit flush against a standard NATO strap if I swap the metal bracelet?

The lug width matches the supplied 316L bracelet, so a standard NATO in that width will sit flat; the screw-down crown and 300 m rating remain unaffected by the strap change.

How can I verify the ETA F05.412 quartz calibre is keeping accurate time after setting?

Compare the analog hands and date window against a reference clock over several days; the calibre should stay within typical quartz tolerance of a few seconds per month.

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