Seiko Cal. 5617 - 463

This Automatic model from 1967 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d69cfbe18bdb]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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