Seiko Cal. 4531 - 475

This Kinetic model from 1968 features a 42mm Stainless Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c43bdfab94cb]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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