Seiko Cal. 5689 - 428

This Automatic model from 1969 features a 44mm Titanium case. Powered by the 5689 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-296b9e10632e]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1969

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