Seiko Cal. 5689 - 664

The Seiko 5689-664 represents an important milestone in Seiko's 1982 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-13a56660459d]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1982

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