Seiko Cal. 4527 - 432

Released in 1970, the Cal. 4527 with design code 432 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-6aacd53ea995]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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