Seiko Cal. 5689 - 399

The Seiko 5689-399 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-830ae14eea00]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

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