Seiko Cal. 4531 - 383

This Spring Drive model from 1966 features a 46mm Two-Tone case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-575dcee13c26]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

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