Seiko Cal. 5660 - 288

This Automatic model from 1981 features a 38mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-80cc37e42fcb]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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