Seiko Cal. 4576 - 977

This Spring Drive model from 1981 features a 39mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-1b3b8805729f]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1981

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