Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet
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Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 1Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 2Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 3Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 4Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 5Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 6Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 7Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 8Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 9Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet 10
Seiko

Seiko Prospex SPB381J1 SS AT Full Set Opened for Photos ~W/Plastic on Bracelet

SPB381
Deal Score63
$1,389.977% below MSRP (MSRP $1,500)
Box & PapersNew / Unworn

Why This Score?

Fair deal: priced well below market, excellent condition.

Key Drivers
Priced well below market
Excellent condition
Complete set (box & papers)
Moderately trusted seller

The model prioritized pricing data from 2 comparable sales over a 365-day window. Limited data may reduce accuracy.

Watch Specs

42mm
Diameter
48.6mm
Lug to Lug
12.9mm
Thickness
20mm
Lug Width
Caliber
6R54
Movement
Automatic
Crystal
Sapphire
Case Material
SS
Dial
Green
Strap
Bracelet
MSRP:
$1,500
Introduced:
2023

Perceived Size

How it wears, not just how it measures

~51mm

vs 49mm L2L

Compact (36mm)Substantial (60mm)

↑ 12.9mm case thickness adds +1.9mm wrist presence

Will this fit your wrist?

Slide to your wrist circumference to see the fit diagram.

Wrist circumference17 cm
12cm17cm (avg)22cm

Sold Comps (180 days)

No price history
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