Seiko Cal. 5689 - 577

This Spring Drive model from 1981 features a 43mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-4a16bfe6c583]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1981

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