Seiko Cal. 5659 - 238

The Seiko 5659-238 represents an important milestone in Seiko's 1974 lineup. Powered by the 5659 caliber with 25j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-379f75087729]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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