Seiko Cal. 3881 - 364

Released in 1979, the Cal. 3881 with design code 364 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-bb3b5ca6ea30]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1979

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