Seiko Cal. 0730 - 151

This Spring Drive model from 1970 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e864c1233b98]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1970

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