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Item Description

Description [World's First Hand-Wound Power-Generating / New Battery] Extremely Rare SEIKO Impact 8T23-8020 Made in 1996 Big Crown FULL-CHARGE SIGNAL Discontinued Wristwatch
Brand SEIKO
Department Men
Type Wristwatch (hybrid hand-wind generator)
Reference Number 8T23-8020
Customized No
Style Field
Model 8T23-8020
Features Hand-wind power generator; date; full-charge indicator
Movement Hybrid manual-wind generator with rechargeable secondary battery
Dial Color Black
Band Color Black
Bezel Color Silver
Case Color Silver
Band Material Leather
Display Analog
Case Material Stainless steel
Year Manufactured 1996
With Original Box/Packaging No
With Papers No
Indices Round luminous dots
Case Size 35.5mm
Watch Shape Round
Band/Strap Black leather strap
Country of Origin Japan
Dial Pattern Matte black
Bezel Type Fixed
Vintage No
Band Width 19mm
Lug Width 19mm
Theme Impact
With Manual/Booklet No
Case Finish Brushed
With Service Records No
Handmade No
Manufacturer Warranty No
Max Wrist Size 7.48inch
Closure Tang buckle
Handedness Right
Unit Quantity 1
Unit Type piece
Condition Rank Guide AB – Very Good

Rank

NS – New / Unused Brand new, never used. May include original box and tags.
S – Like New Excellent condition with no visible scratches. Fully functional and keeps accurate time.
A – Excellent Very light signs of use such as small scratches. Fully functional and running well.
AB – Very Good Some visible scratches or minor wear. Fully functional and keeps time.
B – Good Moderate signs of use including scratches on case, bezel, or bracelet. Fully functional.
BC – Fair Visible signs of use and wear. May have noticeable scratches, aging, or reduced accuracy.
C – Vintage / Used Heavy signs of use. May have significant scratches, aging, or mechanical issues.
D – For Parts / Repair Not working properly or stopped. Requires repair or sold as-is.

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