Seiko Cal. 5289 - 640

This Automatic model from 1968 features a 35mm Titanium case. Powered by the 5289 caliber with 18j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-c1ea5603f812]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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