Seiko Cal. 5664 - 868

This Automatic model from 1965 features a 34mm Stainless Steel case. Powered by the 5664 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-fc445b934a37]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1965

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