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Home/Browse/Tissot/Seastar 1000 GMT
Tissot Seastar 1000 GMT — Black
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Tissot Seastar 1000 GMT

Diver

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, 300m water resistance, and GMT complication, with one owner expressing deep satisfaction. A point of contention for some is that Swiss quartz movements may exhibit second-hand misalignment with markers, unlike certain Japanese quartz movements. On balance, owners rate the Tissot Seastar 1000 GMT highly for its robust features and value.

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Lume:Super-LumiNova ®
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Retail MSRPIn stock
$575
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Alternatives
Case
40mm
Power Reserve
—
Movement
Quartz
Water Resistance
300m
Crystal
Sapphire
01

Case Dimensions

Diameter40mm
Thickness11.77mm
Lug-to-Lug40mm
Lug Width20mm
02

Case Build

MaterialStainless Steel
Water Resistance300m
03

Crystal & Dial

CrystalSapphire
Dial ColorBlack
IndicesIndexes
LumeSuper-LumiNova ®
04

Movement

Caliber
11.5'
TypeQuartz
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

Dial styleMatte
Bezel24-hour (GMT)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell

The Tissot Seastar 1000 GMT is a quartz diver watch, with a 40mm stainless steel case, 11.77mm thick, powered by the 11.5' movement. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $575.

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