Seiko Cal. 7091 - 509

This Spring Drive model from 1971 features a 44mm PVD Black case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5df83cf7ea23]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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