Seiko Cal. 3828 - 361

The 3828-361 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-be9bc14fea6a]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1980

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