Seiko Cal. 4539 - 778

This Automatic model from 1970 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e5135cad4acf]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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