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Seastar 1000 GMT
1 Variant
Lume:Super-LumiNova ®
Retail MSRP
$575
Low
—
Avg
—
High
—
Static data
Case
40mm
Power Reserve
—
Movement
Quartz
Water Resistance
300m
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
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 (ref. t1208521105100) is a quartz diver watch, with a 40mm stainless steel case, 11.77mm thick. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $575.