Seiko Cal. 4477 - 379

This Spring Drive model from 1981 features a 43mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-36901fe5fd4e]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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