Seiko Cal. 3881 - 578

This Spring Drive model from 1981 features a 35mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-52e2b8f48687]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1981

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