Seiko Cal. 5647 - 918

The Seiko 5647-918 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-692e219ac2fa]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1987

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