Seiko Cal. 6158 - 121

This Spring Drive model from 1974 features a 41mm Titanium case. Powered by the 6158 caliber with 20j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-55f2b734440c]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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