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1 Variant
Lume:Japan Lume (blue glow)
Retail MSRP
$10
Low
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Avg
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High
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Static data
Case
42mm
Power Reserve
41h
Movement
Automatic
Water Resistance
200m
01
Case Dimensions
Diameter42mm
Thickness13mm
Lug-to-Lug46mm
Lug Width20mm
02
Case Build
Material316L Stainless Steel
FinishBrushed + Sandblasted
Water Resistance200m
CasebackSolid screw-down
03
Crystal & Dial
CrystalSapphire
ShapeFlat
AR CoatingUnderside
Dial ColorOrange (Dark Blue body)
LumeJapan Lume (blue glow)
04
Movement
Caliber
TypeAutomatic
Beat Rate21,600 vph (3.0Hz)
Power Reserve41 hours
Jewels24
HackingNo
Hand-WindingNo
ComplicationsGMT, Date
05
Design Language
Dial styleMatte
BezelRotating (dive)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell
The Seestern Sub 300 V4 (ref. Sub 300 V4) is an automatic diver watch, with a 42mm 316l stainless steel case, 13mm thick, powered by the Seiko NH35A movement and a 41-hour power reserve. Water resistance is rated to 200m, under a sapphire crystal, with gmt, date complications. Manufacturer MSRP is $10. The dial color is orange.