Seiko Cal. 5666 - 889

The Seiko 5666-889 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-42d072dd2313]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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